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BEGIN:VEVENT
SUMMARY:Natasha Samko (UiT The Arctic University of Norway)
DTSTART;VALUE=DATE-TIME:20200806T140000Z
DTEND;VALUE=DATE-TIME:20200806T150000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/1
DESCRIPTION:Title: Integrability properties of integral transforms via Morrey space
s\nby Natasha Samko (UiT The Arctic University of Norway) as part of S
eminar on Analysis\, Differential Equations and Mathematical Physics\n\nAb
stract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/1/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Alexander Nazarov (St. Petersburg State University and St. Petersb
urg Department of Steklov Mathematical Institute of RAS\, Russia)
DTSTART;VALUE=DATE-TIME:20201001T150000Z
DTEND;VALUE=DATE-TIME:20201001T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/2
DESCRIPTION:Title: Some inequalities for fractional Laplacians\nby Alexander Na
zarov (St. Petersburg State University and St. Petersburg Department of St
eklov Mathematical Institute of RAS\, Russia) as part of Seminar on Analys
is\, Differential Equations and Mathematical Physics\n\n\nAbstract\nWe com
pare two types of fractional Laplacians: spectral (Navier) and restricted
(Dirichlet) one\, in a bounded smooth domain $\\Omega$.\nThe talk is based
on joint works with Roberta Musina\, Italy:\n\nhttps://arxiv.org/abs/1308
.3606\n\nhttps://arxiv.org/abs/1408.3568\n\nhttps://arxiv.org/abs/1701.044
25\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/2/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Luca Zampogni (University of Perugia\, Italy)
DTSTART;VALUE=DATE-TIME:20201015T150000Z
DTEND;VALUE=DATE-TIME:20201015T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/3
DESCRIPTION:Title: Some results on the inverse spectral theory for the Sturm-Liouvi
lle operator on the line\nby Luca Zampogni (University of Perugia\, It
aly) as part of Seminar on Analysis\, Differential Equations and Mathemati
cal Physics\n\n\nAbstract\nWe discuss some results concerning the inverse
spectral theory of the Sturm-Liouville operator $$L:=\\dfrac{1}{y(x)}\\le
ft(-\\dfrac{d}{dx}\\left(p(x)\\dfrac{d}{dx}\\right)+q\\right)\,$$ where th
e functions $p(x)\,q(x)\,y(x)$ are continuous and bounded\, and the weight
function $y(x)$ is strictly positive.\nIn particular\, we focus our atten
tion on two main problems related to the inverse spectral theory for $L$:
\\begin{enumerate}\\item the scattering theory on the whole line\, by deve
loping a Gel'fand-Levitan-Marchenko theory for $L$\; \\item the algebro-ge
ometric theory\, by obtaining trace formulas for $L$\, and studying the p
roperties of $p(x)\,q(x)$ and $y(x)$ in a suitable algebraic surface.\n \\
end{enumerate}\nThe Weyl $m$-functions $m_\\pm$ will play a crucial role\,
both in defining and in solving the inverse problems.\n\nApplications to
the study of solutions of some hierarchies of nonlinear evolution equation
s will be considered\, including the well-known Korteweg-de Vries and Cama
ssa-Holm ones.\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/3/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Ricardo Weder (Institute of Research in Applied Mathematics and Sy
stems\, National Autonomous University of Mexico\, Mexico)
DTSTART;VALUE=DATE-TIME:20201029T150000Z
DTEND;VALUE=DATE-TIME:20201029T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/4
DESCRIPTION:Title: Dispersive Estimates for Schrodinger Equations\nby Ricardo W
eder (Institute of Research in Applied Mathematics and Systems\, National
Autonomous University of Mexico\, Mexico) as part of Seminar on Analysis\,
Differential Equations and Mathematical Physics\n\n\nAbstract\nThe import
ance of the dispersive estimates for Schrodinger equations in spectral th
eory and in nonlinear analysis will be discussed. Furthermore\, the liter
ature on the $L^p-L^{p'}$ estimates will be reviewed\, starting with the
early results in the 1990 th\, and with an emphasis in the results in on
e dimension. New results will be presented\, in $L^p-L^{p'}$ estimates
for matrix Schrodinger equations in the half-line\, with general selfadj
oint boundary condition\, and in matrix Schrodinger equations in the full
-line with point interactions. In both cases we consider integrable matrix
potentials that have a finite first moment.\n\nReferences\n\n[1] T. Aktos
un and R. Weder\, Direct and Inverse Scattering for the Matrix Schrodinger
Equation\, Applied Mathematical Sciences 203\, Springer Verlag New York\,
2021 (published in May 2020).\n\n[2] I. Naumkin\, R. Weder\, $L^{p}-L^
{p^{\\prime}}$ estimates for matrix Schrodinger equations\, Journal of Ev
olution Equations\, online first https://doi.org/10.1007/s00028-020-00605-
x\, 2020.\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/4/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Mark Agranovsky (Bar-Ilan University and Holon Institute of Techno
logy)
DTSTART;VALUE=DATE-TIME:20201112T150000Z
DTEND;VALUE=DATE-TIME:20201112T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/5
DESCRIPTION:Title: Funk-Radon transforms\nby Mark Agranovsky (Bar-Ilan Universi
ty and Holon Institute of Technology) as part of Seminar on Analysis\, Dif
ferential Equations and Mathematical Physics\n\n\nAbstract\nThe classical
Funk-Radon-Minkowski transform evaluates integrals of functions on the uni
t sphere in $\\mathbb R^n$ over\ngreat subspheres\, i.e.\, intersections o
f the unit sphere with hyperplanes through the origin. This transform has
many applications\, i.e.\,\nin geometric tomography (reconstruction of bod
ies from areas of plane sections)\, medical imaging (Q-ball method in MRI
) etc.\nThe inversion formula\, reconstructing the even part of the functi
ons\, was discovered by Paul Funk in 1911.\nRecently\, a version of Funk t
ransform (non-central transform)\, associated with the bunch of hyperplane
s through a point (center) different form the origin\, has attracted the a
ttention of researchers. In the talk\, most general version of such a tran
sform\, for families of $k$-planes\, passing through an arbitrary fixed
center\, will be considered.\nThe talk will consist of two parts. In the f
irst one\, a group-theoretical approach to description the kernel of non
-central Funk-Radon transforms and obtaining inversion formulas\, will be
explained. The second part of the talk will be concerned with the multi-ce
ntered transforms. While a single Funk-Radon transform always has a nontri
vial kernel and therefore is non-injective\, the common kernel of the tra
nsforms with different centers may be trivial and hence\nreconstruction fu
nctions from a collection of Funk-Radon data might be possible. We will fu
lly describe configuration of two centers providing injectivity of the cor
responding paired Funk-Radon transform and discuss open problems for more
than two centers . The injectivity of multi-centered transforms depends on
type of certain billiard-like dynamics on the unit sphere\, which\, in tu
rn\, is related to action of Moebius and Coxeter groups.\n\nReferences\n\
nAgranovsky M. Non-central Funk-Radon transform: single and multiple // Jo
urnal of Functional Analysis\, 279\, 1-41\, 2020.\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/5/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Sundaram Thangavelu (Indian Institute of Science)
DTSTART;VALUE=DATE-TIME:20210204T150000Z
DTEND;VALUE=DATE-TIME:20210204T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/6
DESCRIPTION:Title: On the decay of spectral projections associated to Laplacians on
certain Riemannian manifolds\nby Sundaram Thangavelu (Indian Institut
e of Science) as part of Seminar on Analysis\, Differential Equations and
Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/6/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Volker Mehrmann (Technical University of Berlin)
DTSTART;VALUE=DATE-TIME:20210218T150000Z
DTEND;VALUE=DATE-TIME:20210218T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/7
DESCRIPTION:Title: Energy based modeling\, simulation and optimization of multiphys
ics systems\nby Volker Mehrmann (Technical University of Berlin) as pa
rt of Seminar on Analysis\, Differential Equations and Mathematical Physic
s\n\n\nAbstract\nThe next level of digitization will create digital twins
of every product or process. To do this in a mathematical rigorous and ris
k and error-controlled way\, a new modeling\, simulation and optimization
paradigm is needed. While automated modularized modeling is common in some
technical domains like circuit design or multi-body dynamics\, it becomes
increasingly challenging when systems or numerical solvers from different
physical domains are coupled\, due to largely different scales or modelin
g accuracy\, and very different software technologies.\nA recent system th
eoretic approach to address these challenges is the use of network and ene
rgy based modeling via constrained port-Hamiltonian (pH) systems\, where t
he coupling is done in a physically meaningful way via energy variables. F
urthermore\, for each subsystem a whole model hierarchy can be employed ra
nging from very fine grane models to highly reduced surrogate models arisi
ng from model reduction or data based modeling. The model hierarchy allows
adaptivity not only in the discretization but also in the model selection
.\nWe will present an overview over the hierarchical pH modeling approach
and illustrate the advantages: Very robust models which are close to the r
eal physics\, invariance of the structure under Galerkin projection discre
tization or model reduction as well as state and time dependent coordinate
changes.\nThe results are illustrated with numerical results at the hand
of several real world applications.\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/7/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Humberto Rafeiro and Stefan Samko (United Arab Emirates University
and Algarve University)
DTSTART;VALUE=DATE-TIME:20210304T150000Z
DTEND;VALUE=DATE-TIME:20210304T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/8
DESCRIPTION:Title: Grand Lebesgue space for p=∞ and applications or a new life of
a 36 years old result of Nikolay Karapetyants and Boris Rubin\nby Hum
berto Rafeiro and Stefan Samko (United Arab Emirates University and Algarv
e University) as part of Seminar on Analysis\, Differential Equations and
Mathematical Physics\n\n\nAbstract\nWe define the grand Lebesgue space cor
responding to the case p=∞ and similar grand spaces for Morrey and Morre
y type spaces\, also for p=∞\, on open sets in Rn. We show that such spa
ces are useful in the study of mapping properties of the Riesz potential o
perator in the borderline cases αp=n for Lebesgue spaces and αp=n-λ for
Morrey and Morrey type spaces\, providing the target space "more narrow"
than BMO. While for Lebesgue spaces there are known results on the descrip
tion of the target space in terms better than BMO\, the results obtained f
or Morrey and Morrey type spaces are entirely new. We also show that the o
btained results are sharp in a certain sense.\nConstruction used in the de
finition of the grand space for p=∞ was used in the one-dimensional case
by N. Karapetyants and B. Rubin in 1985 in the study of Riemann-Liouville
fractional integrals.\nThis talk is based on the paper "Grand Lebesgue sp
ace for p=∞ and its application to Sobolev-Adams embedding theorems in b
orderline cases" by H. Rafeiro\, S. Samko\, and S. Umarkhadzhiev (to appea
r).\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/8/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Helmuth Malonek (University of Aveiro)
DTSTART;VALUE=DATE-TIME:20210318T150000Z
DTEND;VALUE=DATE-TIME:20210318T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/9
DESCRIPTION:Title: A Sturm-Liouville equation on the crossroads of discrete and con
tinuous hypercomplex analysis\nby Helmuth Malonek (University of Aveir
o) as part of Seminar on Analysis\, Differential Equations and Mathematica
l Physics\n\n\nAbstract\nThe subject of our talk is a different type of co
mplexification as usual for the treatment of generalized Cauchy-Riemann eq
uations by methods of hypercomplex analysis. It led us to a special class
of multivariate polynomials with coefficients which\, in the case of two r
eal variables\, are identical with Vietoris numbers. In 1958 Vietoris enco
untered this number sequence in connection with the positivity of trigonom
etric sums\, which are also relevant in the theory of special functions. T
hrough a recurrence relation they lead us to a Sturm-Liouville equation vi
a the calculus of holonomic differential equations. Consequently\, one of
the particular solutions of this equation serves as generating function fo
r those numbers. \n\nThe problem of complexification in hypercomplex analy
sis has the following historical background. About 50 years ago\, E. M. St
ein and G. Weiss proved in their seminal paper [1] the “correspondence o
f irreducible representations of several rotation groups to first order co
nstant coefficient partial differential equations generalizing the Cauchy-
Riemann equations”. \n\nThey showed how certain properties of complex on
e-dimensional function theory extend to solutions of those systems of PDE.
The list of systems includes the generalized Riesz system\, the Moisil-Th
eodoresco system\, spinor systems as n-dimensional generalization of Dirac
s equations\, Hodge - de Rham equations\, etc. Their motivation for provin
g that correspondence between represent-tation groups and partial differen
tial equations were merely of qualitative nature and deeply connected with
properties of harmonic functions in several real variables.\n\nAround the
same time the renewed interest in quaternions and their embedding in Clif
ford Algebras together with deep relations to symmetry groups provoked a f
ast-growing number of papers by physicists working in Quantum Mechanics an
d Quantum-Field Theory [2]. Decades later\, mathematicians successfully de
veloped (or renewed from the 30ies) analytical tools for the treatment of
all kinds of generalized Cauchy-Riemann or Dirac equations\, in the beginn
ing often influenced by [3]\, [4]. Naturally\, this type of generalized fu
nction theory heavily relied on representation theoretic and algebraic too
ls\, functional analytic and topological principals\, etc.\, but less on i
nstruments or results from classical complex function theory. The results
in [3] partially contributed to that by suggesting that only Riemann’s a
pproach via conjugate harmonic functions (like it was the case in [1]) wer
e a meaningful approach to Quaternionic analysis via the usual choice of q
uaternionization (see V. I. Arnold’s philosophy in [5]). But\, as we wil
l see\, the use of several hypercomplex variables\, showing that hypercomp
lex analysis can also be considered as function theory in co-dimension one
(see [6])\, opened the eyes to new insights.\n\n[1] E. M. Stein\, G. Weis
s: Generalization of the Cauchy-Riemann Equations and Representations of t
he Rotation Group. American Journal of Mathematics 90 (1)\, 163 - 196 (196
8)\n\n[2] J. D. Edmonds: Quaternion quantum theory: new physics or number
mysticism? Amer. J. Phys.42 (1974)\, 220 - 223.\n\n[3] A. Sudbery: Quater
nionic analysis\, Math. Proc. Cambridge Philos. Soc. 85 (1979)\, 199-225\n
\n[4] F. Brackx\, R. Delanghe\, and F. Sommen: Clifford analysis\, Researc
h Notes in Mathematics\, Vol. 76\, Pitman\, Boston\, 1982\, 308 pp\n\n[5]
V. I. Arnold: Polymathematics: Is Mathematics a Single Science or a Set of
Arts? In: Mathematics: Frontiers and Perspectives\, eds. V. I. Arnold\, M
. Atiyah\, P. Lax\, B. Mazur\, AMS (IMU)\, (1999)\, 403-416.\n\n[6] H. R.
Malonek et al.: Harmonic Analysis and Hypercomplex Function Theory in Co-
dimension One\, in: Modern Methods in Operator Theory and Harmonic Analysi
s. OTHA 2018\, eds. A. Karapetyants\, V. Kravchenko\, E. Liflyand\, Spring
er\, (2019)\, 93 - 115.\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/9/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Lubos Pick (Charles University)
DTSTART;VALUE=DATE-TIME:20210401T150000Z
DTEND;VALUE=DATE-TIME:20210401T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/10
DESCRIPTION:Title: On fractional Orlicz-Sobolev spaces\nby Lubos Pick (Charles
University) as part of Seminar on Analysis\, Differential Equations and M
athematical Physics\n\n\nAbstract\nWe will survey some recent results on t
he theory of fractional Orlicz-Sobolev spaces with a special focus on thei
r role in Sobolev type embeddings with an optimal Orlicz target. We will a
lso mention related Hardy type inequalities\, criteria for compact embeddi
ngs\, and limits of these spaces when the smoothness parameter tends to ei
ther of its natural endpoints. \n\nThis is a joint work with Angela Alberi
co (Napoli)\, Andrea Cianchi (Firenze) and Lenka Slavíková (Praha).\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/10/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Tibor K. Pogány (University of Rijeka\, Croatia & Óbuda Universi
ty\, Hungary)
DTSTART;VALUE=DATE-TIME:20210415T150000Z
DTEND;VALUE=DATE-TIME:20210415T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/11
DESCRIPTION:Title: Hilbert-type inequalities with non-homogeneous kernel: another
view\nby Tibor K. Pogány (University of Rijeka\, Croatia & Óbuda Uni
versity\, Hungary) as part of Seminar on Analysis\, Differential Equations
and Mathematical Physics\n\nAbstract: TBA\n\nWe will survey some recent r
esults on the theory of fractional Orlicz-Sobolev spaces with a special fo
cus on their role in Sobolev type embeddings with an optimal Orlicz target
. We will also mention related Hardy type inequalities\, criteria for comp
act embeddings\, and limits of these spaces when the smoothness parameter
tends to either of its natural endpoints. A novel approach to the so-calle
d Hilbert's double series theorem with non-homogeneous kernel and several
generalizations are considered. The applications concern among others the
multiple discrete Hilbert inequality\, the Mordell-Tornhemi-Witten and Mat
sumoto\, and Tsumura Zeta functions integral expressions. The main tools a
re the Cahen's Laplace integral formula for Dirichlet series developed for
the generalized (a\,λ)-series theory and the Euler-Maclaurin summation f
ormula.\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/11/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Michael Ruzhansky (Ghent University)
DTSTART;VALUE=DATE-TIME:20210429T150000Z
DTEND;VALUE=DATE-TIME:20210429T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/12
DESCRIPTION:Title: Nonharmonic pseudo-differential analysis\nby Michael Ruzhan
sky (Ghent University) as part of Seminar on Analysis\, Differential Equat
ions and Mathematical Physics\n\n\nAbstract\nIn this talk we will present
an overview of our works on developing a global pseudo-differential theory
based on spectral decompositions with respect to a given\, not necessaril
y self-adjoint\, operator. We give several applications\, in particular\,
to boundary value problems on manifolds with boundary.\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/12/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Maxim Zinchenko (University of New Mexico)
DTSTART;VALUE=DATE-TIME:20210513T150000Z
DTEND;VALUE=DATE-TIME:20210513T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/13
DESCRIPTION:Title: Nonlinear Fourier Analysis\nby Maxim Zinchenko (University
of New Mexico) as part of Seminar on Analysis\, Differential Equations and
Mathematical Physics\n\n\nAbstract\nIn this talk\, I will give an overvie
w of spectral theory as a nonlinear analog of Fourier analysis. As an illu
stration\, I will discuss a system of exponentially interacting particles
known as the Toda lattice whose solution is based on the spectral theory o
f Jacobi matrices. I will discuss some classical and more recent results i
n spectral theory of Jacobi matrices and\, in particular\, present nonline
ar analogs of Riemann-Lebesgue lemma\, Parseval's identity\, and Paley-Wie
ner theorem.\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/13/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Konstantin Dyakonov (ICREA & Universitat de Barcelona)
DTSTART;VALUE=DATE-TIME:20210527T150000Z
DTEND;VALUE=DATE-TIME:20210527T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/14
DESCRIPTION:Title: Fewnomials in L^1 and their geometry\nby Konstantin Dyakono
v (ICREA & Universitat de Barcelona) as part of Seminar on Analysis\, Diff
erential Equations and Mathematical Physics\n\n\nAbstract\nLet $\\Lambda$
be a finite set of nonnegative integers\, and let $\\mathcal P(\\Lambda)$
be the linear hull of the monomials $z^k$ with $k\\in\\Lambda$\, viewed as
a subspace of $L^1$ on the unit circle. We characterize the extreme and e
xposed points of the unit ball in $\\mathcal P(\\Lambda)$.\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/14/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Winfried Sickel (Friedrich-Schiller-Universität Jena)
DTSTART;VALUE=DATE-TIME:20210610T150000Z
DTEND;VALUE=DATE-TIME:20210610T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/15
DESCRIPTION:Title: On the regularity of characteristic functions\nby Winfried
Sickel (Friedrich-Schiller-Universität Jena) as part of Seminar on Analys
is\, Differential Equations and Mathematical Physics\n\n\nAbstract\nIn my
talk I will give a survey on the smoothness of characteristic functions $X
_E$ of bounded open sets $E ⊂R^d$. I plan to discuss various sufficient
and necessary conditions for such a function $X_E$ to belong to a Besov sp
ace $B_{p\,q}^s (R^d)$.\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/15/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Lars Diening (Bielefeld University)
DTSTART;VALUE=DATE-TIME:20210624T150000Z
DTEND;VALUE=DATE-TIME:20210624T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/16
DESCRIPTION:Title: Elliptic equations with degenerate weights\nby Lars Diening
(Bielefeld University) as part of Seminar on Analysis\, Differential Equa
tions and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/16/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Ferenc Weisz (Eotvos University)
DTSTART;VALUE=DATE-TIME:20210722T150000Z
DTEND;VALUE=DATE-TIME:20210722T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/17
DESCRIPTION:Title: Higher dimensional summability and Lebesgue points\nby Fere
nc Weisz (Eotvos University) as part of Seminar on Analysis\, Differential
Equations and Mathematical Physics\n\n\nAbstract\nHarmonic functions are
the solutions of the second order partial differential equation $\\partial
_{\\underline{x}}\\partial_{\\underline{x}} u=0$\, where $\\partial_{\\und
erline{x}}$ stands for the Dirac operator factorizing the Laplacian in $\\
R^m$. In this work we consider functions satisfying the sandwich equation
$\\partial_{\\underline{x}} u\\partial_{\\underline{x}}=0$\, the so-called
inframonogenic functions. It is easily seen that the real valued solution
s of both previous equations will be identical. However\, the situation is
quite different when Clifford algebra valued solutions are considered. Th
is leads to different classes of functions\, which appear together in som
e topics of linear elasticity theory. The main purpose of this talk is to
deepen the understanding of inframonogenic functions as well as to contras
t its behavior with the more traditional harmonic functions.\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/17/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Elijah Liflyand (Bar-Ilan University)
DTSTART;VALUE=DATE-TIME:20210902T150000Z
DTEND;VALUE=DATE-TIME:20210902T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/18
DESCRIPTION:Title: Wiener algebras and trigonometric series in a coordinated fashi
on\nby Elijah Liflyand (Bar-Ilan University) as part of Seminar on Ana
lysis\, Differential Equations and Mathematical Physics\n\n\nAbstract\nLet
$W_0(\\mathbb R)$ be the Wiener Banach algebra of functions representable
by the Fourier integrals of Lebesgue integrable functions.\nIt is proven
in the paper that\, in particular\, a trigonometric series $\\sum\\limits_
{k=-\\infty}^\\infty c_k e^{ikt}$ is the Fourier series of an integrable f
unction\n if and only if there exists a $\\phi\\in W_0(\\mathbb R)$ such t
hat $\\phi(k)=c_k$\, $k\\in\\mathbb Z$. If $f\\in W_0(\\mathbb R)$\, then
the piecewise linear\ncontinuous function $\\ell_f$ defined by $\\ell_f(k)
=f(k)$\, $k\\in\\mathbb Z$\, belongs to $W_0(\\mathbb R)$ as well. Moreove
r\, $\\|\\ell_f\\|_{W_0}\\le \\|f\\|_{W_0}$.\nSimilar relations are estab
lished for more advanced Wiener algebras. These results are supplemented b
y numerous applications. In particular\, new necessary\nand sufficient con
ditions are proved for a trigonometric series to be a Fourier series and n
ew properties of $W_0$ are established.\n\nThis is a joint work with R. Tr
igub.\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/18/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Laurent Baratchart (Inria Sophia Antipolis-Méditerranée Research
Centre)
DTSTART;VALUE=DATE-TIME:20210916T150000Z
DTEND;VALUE=DATE-TIME:20210916T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/19
DESCRIPTION:by Laurent Baratchart (Inria Sophia Antipolis-Méditerranée R
esearch Centre) as part of Seminar on Analysis\, Differential Equations an
d Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/19/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Roman Novikov (Centre de Mathématiques Appliquées\, École Polyt
echnique)
DTSTART;VALUE=DATE-TIME:20211014T150000Z
DTEND;VALUE=DATE-TIME:20211014T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/20
DESCRIPTION:Title: The Gelfand-Krein-Levitan problem and passive imaging\nby R
oman Novikov (Centre de Mathématiques Appliquées\, École Polytechnique)
as part of Seminar on Analysis\, Differential Equations and Mathematical
Physics\n\n\nAbstract\nWe consider the problem of finding coefficients in
the Shrödinger equation and the Helmholtz equation from boundary values o
f the imaginary part of the scattering Green function. Historically\, this
problem goes back to multidimensional inverse spectral problems posed by
Krein\, Gelfand\, and Levitan in 1952. On the other hand\, this problem ar
ises in different passive tomographies (in ultrasonics\, ocean acoustics\,
helioseismology\, etc).\nThis talk is based\, in particular\, on the work
s\n1. A.D. Agaltsov\, T. Hohage\, R.G. Novikov\, Monochromatic identities
for the Green function and uniqueness results for passive imaging\, SIAM J
. Appl. Math. 78(5)\, 2865-2890 (2018)\,\n2. A.D. Agaltsov\, T. Hohage\, R
.G. Novikov\, Global uniqueness in a passive inverse problem of helioseism
ology\, Inverse Problems 36(5)\, 055004 (21pp) (2020).\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/20/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Swanhild Bernstein (Technical University of Bergakademie Freiberg)
DTSTART;VALUE=DATE-TIME:20211111T150000Z
DTEND;VALUE=DATE-TIME:20211111T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/21
DESCRIPTION:Title: Dirac-type operators and applications\nby Swanhild Bernstei
n (Technical University of Bergakademie Freiberg) as part of Seminar on An
alysis\, Differential Equations and Mathematical Physics\n\n\nAbstract\nCl
ifford analysis is a higher-dimensional analog of classical complex functi
on theory and refinement of harmonic analysis. The core and center of the
theory is the Dirac operator\n$$ D = \\sum_{i=1}^n e_i\\frac{\\partial}{\\
partial x_i}\, \\quad \\text{where}\\quad e_i\,\\quad i=1\, ....\, n\, $$
\nare the generating elements of the Clifford algebra $\\mathbb{R}_n$ and
fulfill the non-commutitive multiplication rules \n$$ e_ie_j + e_je_i = -2
\\delta_{ij} . $$\nThe Dirac operator consists of a radial component and a
phase\, where $|D| = \\sqrt{-\\Delta}$ is the radial Dirac operator or t
he square root of the negative Laplacian. $H= \\sum_{j=1}^n e_jR_j$ is the
Hilbert operator and $R_j\, j=1\, \\ldots \, n\,$ are the Riesz operators
with $\\widehat{R_jf}(\\underline{\\xi}) = - i\\frac{\\xi_j}{|\\underline
{\\xi}|} \\hat{f}(\\underline{\\xi}).$ Where $\\widehat{ }$ denotes the
classical Fourier transform in $\\mathbb{R}^n.$\\\\[1ex]\nThe zero solutio
ns of the Dirac equation are called monogenic functions. Cauchy integrals
can represent monogenic functions. To describe the boundary values of mono
genic functions\, the Hilbert operators and Hardy spaces are essential. \\
\\[1ex]\nWe will consider several generalizations of Dirac operators and H
ilbert transformations and their applications in optics. An essential tool
in these considerations will be the Fourier symbol of these operators and
multiplier theorems.\nSpecifically\, we will consider Dirac-type operator
s $D_{\\mathcal{H}} = |D|\\mathcal{H}\,$ where the Hilbert transform is re
placed by an arbitrary pseudo-differential operator $\\mathcal{H}$ of degr
ee zero. We call the zero solutions of the associated Dirac operator quasi
-monogenic functions. We will consider an example of such an operator and
its application in optics. \\\\[1ex]\nFractional Dirac and Hilbert operat
ors represent another type of modification. Fractional Hilbert operators $
H^{\\alpha}$ have applications in optics\, and we will discuss this applic
ation. \nWe consider the Cauchy problem for fractional Dirac operators $D^
{\\alpha\, \\theta} = (\\sqrt{-\\Delta})^{\\theta} H^{\\alpha}$ and the as
sociated semigroups. Depending on the choice of parameters of the fraction
al Dirac operator\, classical weighted spaces\, such as Sobolev spaces or
modulation spaces\, and exotic spaces such as Beurling spaces (or generali
zed Sobolev spaces) are suitable to describe the mapping properties.\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/21/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Ricardo Abreu Blaya (Autonomous University of Guerrero)
DTSTART;VALUE=DATE-TIME:20210930T150000Z
DTEND;VALUE=DATE-TIME:20210930T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/22
DESCRIPTION:Title: Sets of uniqueness for inframonogenic functions\nby Ricardo
Abreu Blaya (Autonomous University of Guerrero) as part of Seminar on Ana
lysis\, Differential Equations and Mathematical Physics\n\n\nAbstract\nAs
a consequence of the maximum principle\, it is obvious that one sphere is
a set of uniqueness for harmonic functions. This means that any harmonic f
unction in a domain Ω ⊂ Rm\, which vanishes on a sphere contained toge
ther with its interior in Ω\, is identical to zero there. Inframonogenic
functions are the solutions of the equation ∂f ∂ = 0 and recently it
became clear that they have interesting connections with some topics of li
near elasticity theory. \n\nThe aim of this talk is to show how\, even in
absence of the maximum principle\, a sphere is a set of uniqueness for inf
ramonogenic functions in Euclidean spaces of odd dimension. In even dimens
ion we provide examples of non-zero inframonogenic functions which vanish
on a sphere.\n\nJoint work with: A. Moreno García\, T. Moreno García.\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/22/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Vladimir Mityushev (Cracow University of Technology)
DTSTART;VALUE=DATE-TIME:20211028T150000Z
DTEND;VALUE=DATE-TIME:20211028T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/23
DESCRIPTION:Title: Riemann-Hilbert problem for a multiply connected domain and its
applications to the effective properties of 2D random composites\nby
Vladimir Mityushev (Cracow University of Technology) as part of Seminar on
Analysis\, Differential Equations and Mathematical Physics\n\n\nAbstract\
nIn this talk we answer the following question: "Why did James Bond prefer
shaken\, not stirred martini with ice?" The posed question is resolved by
the scalar Riemann-Hilbert problem Re (a f) = g for a multiply connected
domain and its complete solution. Relations to the ℝ-linear problem and
the effective properties of 2D random composites are discussed.\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/23/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Lars-Erik Persson (Luleå University of Technology)
DTSTART;VALUE=DATE-TIME:20211125T150000Z
DTEND;VALUE=DATE-TIME:20211125T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/24
DESCRIPTION:by Lars-Erik Persson (Luleå University of Technology) as part
of Seminar on Analysis\, Differential Equations and Mathematical Physics\
n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/24/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Tuncay Aktosun (University of Texas-Arlington\, USA)
DTSTART;VALUE=DATE-TIME:20211209T150000Z
DTEND;VALUE=DATE-TIME:20211209T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/25
DESCRIPTION:Title: Inverse scattering for the half line matrix Schrödinger operat
or\nby Tuncay Aktosun (University of Texas-Arlington\, USA) as part of
Seminar on Analysis\, Differential Equations and Mathematical Physics\n\n
\nAbstract\nThe matrix Schrödinger equation is considered on the half lin
e with the general selfadjoint boundary condition and with a matrix-valued
potential which is integrable\, selfadjoint\, and having a finite first m
oment. The relevant direct and inverse problems are described. The constru
ction of the scattering data set is given\, and such scattering data sets
are characterized by providing a set of necessary and sufficient condition
s assuring the existence and uniqueness of the one-to-one correspondence b
etween the scattering data set and the input data set consisting of the po
tential and the boundary condition. This characterization yields a general
ization of the classical result by Agranovich and Marchenko from the Diric
hlet boundary condition to the general selfadjoint boundary condition. \nT
he presentation is based on the joint work with Ricardo Weder of the Natio
nal Autonomous University of Mexico.\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/25/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Yuri Luchko (Berlin University of Technology\, Germany)
DTSTART;VALUE=DATE-TIME:20211223T150000Z
DTEND;VALUE=DATE-TIME:20211223T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/26
DESCRIPTION:Title: Subordination principle for the space-time-fractional diffusion
equations\nby Yuri Luchko (Berlin University of Technology\, Germany)
as part of Seminar on Analysis\, Differential Equations and Mathematical
Physics\n\n\nAbstract\nIn this talk\, a subordination principle for the so
lution operators to a family of the linear multi-dimensional space-time-fr
actional diffusion equations is addressed. These equations are obtained fr
om the conventional diffusion equation by replacing the first order time-d
erivative by the Dzherbashyan-Caputo fractional derivative of order $\\be
ta\,\\ 0 <\\beta \\leq 1$ and the Laplace operator by the fractional Lapla
cian $-(-\\Delta)^{\\frac\\alpha 2}$ with $0<\\alpha \\leq 2$. First\, a
representation of the fundamental solutions to these equations is obtaine
d in form of a Mellin-Barnes type integral. This representation is then
employed for derivation of a subordination formula that connects the solut
ion operator to the space-time-fractional diffusion equation with the orde
rs $\\alpha$ and $\\beta$ of the fractional derivatives with the fundamen
tal solution to the conventional diffusion equation.\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/26/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Luis Octavio Silva (National Autonomous University of Mexico)
DTSTART;VALUE=DATE-TIME:20220106T150000Z
DTEND;VALUE=DATE-TIME:20220106T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/27
DESCRIPTION:by Luis Octavio Silva (National Autonomous University of Mexic
o) as part of Seminar on Analysis\, Differential Equations and Mathematica
l Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/27/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Carsten Trunk (Technical University Ilmenau)
DTSTART;VALUE=DATE-TIME:20220120T150000Z
DTEND;VALUE=DATE-TIME:20220120T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/28
DESCRIPTION:Title: Perturbations of periodic Sturm-Liouville operators\nby Car
sten Trunk (Technical University Ilmenau) as part of Seminar on Analysis\,
Differential Equations and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/28/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Maria Skopina
DTSTART;VALUE=DATE-TIME:20220203T150000Z
DTEND;VALUE=DATE-TIME:20220203T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/29
DESCRIPTION:Title: Wavelet Approximation in Orlicz Spaces\nby Maria Skopina as
part of Seminar on Analysis\, Differential Equations and Mathematical Phy
sics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/29/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Sergei Grudsky
DTSTART;VALUE=DATE-TIME:20220217T150000Z
DTEND;VALUE=DATE-TIME:20220217T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/30
DESCRIPTION:Title: Asymptotics of eigenvalues and eigenvectors of Toeplitz matrice
s\nby Sergei Grudsky as part of Seminar on Analysis\, Differential Equ
ations and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/30/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Massimo Lanza de Cristoforis
DTSTART;VALUE=DATE-TIME:20220303T150000Z
DTEND;VALUE=DATE-TIME:20220303T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/31
DESCRIPTION:Title: Nonlinear composition operators in generalized Morrey spaces\nby Massimo Lanza de Cristoforis as part of Seminar on Analysis\, Differ
ential Equations and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/31/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Dmitry Millionschikov
DTSTART;VALUE=DATE-TIME:20220317T150000Z
DTEND;VALUE=DATE-TIME:20220317T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/32
DESCRIPTION:Title: Characteristic Lie algebra of Klein-Gordon equation and higher
symmetries\nby Dmitry Millionschikov as part of Seminar on Analysis\,
Differential Equations and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/32/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Viktor Burenkov
DTSTART;VALUE=DATE-TIME:20220331T150000Z
DTEND;VALUE=DATE-TIME:20220331T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/33
DESCRIPTION:Title: An analogue of Young's inequality for convolutions for general
Morrey-type spaces\nby Viktor Burenkov as part of Seminar on Analysis\
, Differential Equations and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/33/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Armen Sergeev
DTSTART;VALUE=DATE-TIME:20220414T150000Z
DTEND;VALUE=DATE-TIME:20220414T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/34
DESCRIPTION:Title: Mathematical problems in the theory of topological insulators\nby Armen Sergeev as part of Seminar on Analysis\, Differential Equatio
ns and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/34/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Bondarenko Natalya
DTSTART;VALUE=DATE-TIME:20220428T150000Z
DTEND;VALUE=DATE-TIME:20220428T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/35
DESCRIPTION:Title: Inverse spectral problem for the matrix Sturm-Liouville operato
r\nby Bondarenko Natalya as part of Seminar on Analysis\, Differential
Equations and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/35/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Dobrokhotov Sergey
DTSTART;VALUE=DATE-TIME:20220512T150000Z
DTEND;VALUE=DATE-TIME:20220512T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/36
DESCRIPTION:Title: Semiclassical Approximation with Compex Phases for Constructing
Effective Plancherel-Rotach type asymptotics of 1-D and 2-D orthogonal po
lynomials\nby Dobrokhotov Sergey as part of Seminar on Analysis\, Diff
erential Equations and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/36/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Serov Valeriy
DTSTART;VALUE=DATE-TIME:20220526T150000Z
DTEND;VALUE=DATE-TIME:20220526T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/37
DESCRIPTION:Title: Recovery singularities in quasi-linear biharmonic operator\
nby Serov Valeriy as part of Seminar on Analysis\, Differential Equations
and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/37/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Simakov Sergey
DTSTART;VALUE=DATE-TIME:20220609T150000Z
DTEND;VALUE=DATE-TIME:20220609T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/38
DESCRIPTION:Title: Multiscale modeling of cardiovascular system\nby Simakov Se
rgey as part of Seminar on Analysis\, Differential Equations and Mathemati
cal Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/38/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Oleg Kudryavtsev
DTSTART;VALUE=DATE-TIME:20220623T150000Z
DTEND;VALUE=DATE-TIME:20220623T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/39
DESCRIPTION:Title: A Simple Wiener-Hopf factorization method for pricing options w
ith barriers in Levy-driven models\nby Oleg Kudryavtsev as part of Sem
inar on Analysis\, Differential Equations and Mathematical Physics\n\nAbst
ract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/39/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Vladimir Protasov
DTSTART;VALUE=DATE-TIME:20220707T150000Z
DTEND;VALUE=DATE-TIME:20220707T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/40
DESCRIPTION:Title: Multivariate approximation and one problem of combinatorial num
ber theory\nby Vladimir Protasov as part of Seminar on Analysis\, Diff
erential Equations and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/40/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Adolf Mirotin
DTSTART;VALUE=DATE-TIME:20220721T150000Z
DTEND;VALUE=DATE-TIME:20220721T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/41
DESCRIPTION:Title: To the Spectral Theory of Hausdorff Operators\nby Adolf Mir
otin as part of Seminar on Analysis\, Differential Equations and Mathemati
cal Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/41/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Alexei Rybkin
DTSTART;VALUE=DATE-TIME:20220901T150000Z
DTEND;VALUE=DATE-TIME:20220901T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/42
DESCRIPTION:Title: Norming constants of embedded bound states and bounded positon
solutions of the Korteweg-de Vries equation\nby Alexei Rybkin as part
of Seminar on Analysis\, Differential Equations and Mathematical Physics\n
\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/42/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Viacheslav Yurko
DTSTART;VALUE=DATE-TIME:20220915T150000Z
DTEND;VALUE=DATE-TIME:20220915T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/43
DESCRIPTION:Title: Inverse Spectral Problems for Differential Operators\nby Vi
acheslav Yurko as part of Seminar on Analysis\, Differential Equations and
Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/43/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Xiao-Jun Yang
DTSTART;VALUE=DATE-TIME:20220929T150000Z
DTEND;VALUE=DATE-TIME:20220929T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/44
DESCRIPTION:Title: On the theory of the subtrigonometric functions\nby Xiao-Ju
n Yang as part of Seminar on Analysis\, Differential Equations and Mathema
tical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/44/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Alexey Kanel-Belov
DTSTART;VALUE=DATE-TIME:20221013T150000Z
DTEND;VALUE=DATE-TIME:20221013T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/45
DESCRIPTION:Title: Distance between two subsets of a unit-volume convex body\n
by Alexey Kanel-Belov as part of Seminar on Analysis\, Differential Equati
ons and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/45/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Praveen Agarwal
DTSTART;VALUE=DATE-TIME:20221027T150000Z
DTEND;VALUE=DATE-TIME:20221027T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/46
DESCRIPTION:Title: Extended Fractional Hypergeometric Function and Applications\nby Praveen Agarwal as part of Seminar on Analysis\, Differential Equati
ons and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/46/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Vol'pert Vitalii
DTSTART;VALUE=DATE-TIME:20221110T150000Z
DTEND;VALUE=DATE-TIME:20221110T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/47
DESCRIPTION:Title: Do biological species exist as mathematical solutions?\nby
Vol'pert Vitalii as part of Seminar on Analysis\, Differential Equations a
nd Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/47/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Evgeny Panov
DTSTART;VALUE=DATE-TIME:20221124T150000Z
DTEND;VALUE=DATE-TIME:20221124T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/48
DESCRIPTION:Title: On solutions of a multi-phase Stefan-Riemann problem\nby Ev
geny Panov as part of Seminar on Analysis\, Differential Equations and Mat
hematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/48/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Grigori Rozenblum
DTSTART;VALUE=DATE-TIME:20221208T150000Z
DTEND;VALUE=DATE-TIME:20221208T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/49
DESCRIPTION:Title: Discrete spectrum of polynomially compact pseudodifferential op
erators and applications to the Neumann-Poincare operator in 3D elasticity
\nby Grigori Rozenblum as part of Seminar on Analysis\, Differential E
quations and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/49/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Pavel Kurasov
DTSTART;VALUE=DATE-TIME:20221222T150000Z
DTEND;VALUE=DATE-TIME:20221222T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/50
DESCRIPTION:Title: On spectral theory of metric graphs\nby Pavel Kurasov as pa
rt of Seminar on Analysis\, Differential Equations and Mathematical Physic
s\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/50/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Kim Tuan Vu
DTSTART;VALUE=DATE-TIME:20230112T150000Z
DTEND;VALUE=DATE-TIME:20230112T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/51
DESCRIPTION:Title: Multi-term fractional integro-differential equations in power g
rowth function spaces\nby Kim Tuan Vu as part of Seminar on Analysis\,
Differential Equations and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/51/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Fedorovskiy Konstantin
DTSTART;VALUE=DATE-TIME:20230126T150000Z
DTEND;VALUE=DATE-TIME:20230126T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/52
DESCRIPTION:Title: Bianalytic polynomial approximations\, Nevanlinna domains and u
nivalent functions in model spaces\nby Fedorovskiy Konstantin as part
of Seminar on Analysis\, Differential Equations and Mathematical Physics\n
\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/52/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Eravimangalam Krishnan Narayanan
DTSTART;VALUE=DATE-TIME:20230209T150000Z
DTEND;VALUE=DATE-TIME:20230209T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/53
DESCRIPTION:Title: Toeplitz operators on quotient domains\nby Eravimangalam Kr
ishnan Narayanan as part of Seminar on Analysis\, Differential Equations a
nd Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/53/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Richard M. Aron
DTSTART;VALUE=DATE-TIME:20230223T150000Z
DTEND;VALUE=DATE-TIME:20230223T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/54
DESCRIPTION:Title: Investigation of common properties of Lip and H∞ functions (p
reliminary report)\nby Richard M. Aron as part of Seminar on Analysis\
, Differential Equations and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/54/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Isroil A. Ikromov
DTSTART;VALUE=DATE-TIME:20230309T150000Z
DTEND;VALUE=DATE-TIME:20230309T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/55
DESCRIPTION:Title: On the sharp estimates for convolution operators with oscillato
ry kernel\nby Isroil A. Ikromov as part of Seminar on Analysis\, Diffe
rential Equations and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/55/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Sören Kraußhar
DTSTART;VALUE=DATE-TIME:20230323T150000Z
DTEND;VALUE=DATE-TIME:20230323T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/56
DESCRIPTION:Title: A theory of reproducing Hardy and Bergman spaces in octonionic
settings\nby Sören Kraußhar as part of Seminar on Analysis\, Differe
ntial Equations and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/56/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Mark Lawrence
DTSTART;VALUE=DATE-TIME:20230406T150000Z
DTEND;VALUE=DATE-TIME:20230406T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/57
DESCRIPTION:Title: Partially holomorphic functions in several variables\nby Ma
rk Lawrence as part of Seminar on Analysis\, Differential Equations and Ma
thematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/57/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Pavel Dubovski
DTSTART;VALUE=DATE-TIME:20230420T150000Z
DTEND;VALUE=DATE-TIME:20230420T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/58
DESCRIPTION:Title: Quasi-Bessel equations: existence and hyper-dimensionality\
nby Pavel Dubovski as part of Seminar on Analysis\, Differential Equations
and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/58/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Daniel Girela
DTSTART;VALUE=DATE-TIME:20230504T150000Z
DTEND;VALUE=DATE-TIME:20230504T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/59
DESCRIPTION:Title: Superposition operators on spaces of analytic functions\nby
Daniel Girela as part of Seminar on Analysis\, Differential Equations and
Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/59/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Taimanov Iskander
DTSTART;VALUE=DATE-TIME:20230518T150000Z
DTEND;VALUE=DATE-TIME:20230518T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/60
DESCRIPTION:Title: Formation of singularities of two-dimensional soliton equations
represented by L\,A\,B-triples\nby Taimanov Iskander as part of Semin
ar on Analysis\, Differential Equations and Mathematical Physics\n\nAbstra
ct: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/60/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Wolfgang Lusky
DTSTART;VALUE=DATE-TIME:20230601T150000Z
DTEND;VALUE=DATE-TIME:20230601T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/61
DESCRIPTION:Title: Toeplitz operators and Bergman projections on weighted spaces o
f holomorphic functions\nby Wolfgang Lusky as part of Seminar on Analy
sis\, Differential Equations and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/61/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Ari Laptev
DTSTART;VALUE=DATE-TIME:20230615T150000Z
DTEND;VALUE=DATE-TIME:20230615T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/62
DESCRIPTION:Title: A survey on current results in Theory of Lieb-Thirring inequali
ties\nby Ari Laptev as part of Seminar on Analysis\, Differential Equa
tions and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/62/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Mohammad Sal Moslehian
DTSTART;VALUE=DATE-TIME:20230629T150000Z
DTEND;VALUE=DATE-TIME:20230629T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/63
DESCRIPTION:Title: Hilbert C*-module independence\nby Mohammad Sal Moslehian a
s part of Seminar on Analysis\, Differential Equations and Mathematical Ph
ysics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/63/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Jim Byrnes
DTSTART;VALUE=DATE-TIME:20230713T150000Z
DTEND;VALUE=DATE-TIME:20230713T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/64
DESCRIPTION:Title: The Energy Spreading PONS Transform and its Applications\nb
y Jim Byrnes as part of Seminar on Analysis\, Differential Equations and M
athematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/64/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Suheil Khoury
DTSTART;VALUE=DATE-TIME:20230727T150000Z
DTEND;VALUE=DATE-TIME:20230727T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/65
DESCRIPTION:Title: Fixed-point theory and Green’s functions for the solution of
DEs: An iterative strategy\nby Suheil Khoury as part of Seminar on Ana
lysis\, Differential Equations and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/65/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Ernani Ribeiro Júnior
DTSTART;VALUE=DATE-TIME:20230907T150000Z
DTEND;VALUE=DATE-TIME:20230907T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/66
DESCRIPTION:Title: On Hitchin-Thorpe inequality for four-dimensional compact Ricci
solitons\nby Ernani Ribeiro Júnior as part of Seminar on Analysis\,
Differential Equations and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/66/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Barry Simon
DTSTART;VALUE=DATE-TIME:20230921T150000Z
DTEND;VALUE=DATE-TIME:20230921T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/67
DESCRIPTION:Title: A Tale of Three Coauthors: Comparison of Ising Models\nby B
arry Simon as part of Seminar on Analysis\, Differential Equations and Mat
hematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/67/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Jussi Behrndt
DTSTART;VALUE=DATE-TIME:20231005T150000Z
DTEND;VALUE=DATE-TIME:20231005T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/68
DESCRIPTION:Title: The Landau Hamiltonian with delta-potentials supported on curve
s\nby Jussi Behrndt as part of Seminar on Analysis\, Differential Equa
tions and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/68/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Shiryaev Albert
DTSTART;VALUE=DATE-TIME:20231019T150000Z
DTEND;VALUE=DATE-TIME:20231019T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/69
DESCRIPTION:Title: On direct and inverse Kolmogorov equations for purely jump-like
Markov processes and their generalizations\nby Shiryaev Albert as par
t of Seminar on Analysis\, Differential Equations and Mathematical Physics
\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/69/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Armen Jerbashian
DTSTART;VALUE=DATE-TIME:20231102T150000Z
DTEND;VALUE=DATE-TIME:20231102T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/70
DESCRIPTION:Title: On the theory of functions of omega-bounded type\nby Armen
Jerbashian as part of Seminar on Analysis\, Differential Equations and Mat
hematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/70/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Nicola Arcozzi
DTSTART;VALUE=DATE-TIME:20231116T150000Z
DTEND;VALUE=DATE-TIME:20231116T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/71
DESCRIPTION:Title: Bi-parameter Potential theory and some applications to holomorp
hic spaces\nby Nicola Arcozzi as part of Seminar on Analysis\, Differe
ntial Equations and Mathematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/71/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Yana Kinderknecht
DTSTART;VALUE=DATE-TIME:20231130T150000Z
DTEND;VALUE=DATE-TIME:20231130T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/72
DESCRIPTION:Title: Subordination principle\, stochastic solutions and Feynman-Kac
formulae for generalized time fractional evolution equations\nby Yana
Kinderknecht as part of Seminar on Analysis\, Differential Equations and M
athematical Physics\n\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/72/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Boris Osilenker
DTSTART;VALUE=DATE-TIME:20231214T150000Z
DTEND;VALUE=DATE-TIME:20231214T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/73
DESCRIPTION:Title: Orthogonal polynomials. Fourier series in orthogonal polynomial
s. Trace formula and asymptotics of Forsythe determinant.\nby Boris Os
ilenker as part of Seminar on Analysis\, Differential Equations and Mathem
atical Physics\n\nInteractive livestream: https://teams.microsoft.com/l/me
etup-join/19%3a030144e044cb4b8e915d921dbc0edc27%40thread.tacv2/16429447028
18?context=%7b%22Tid%22%3a%2219ba435d-e46c-436a-84f2-1b01e693e480%22%2c%22
Oid%22%3a%22307e03e7-b687-4378-ab6a-14430278843d%22%7d\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/73/
URL:https://teams.microsoft.com/l/meetup-join/19%3a030144e044cb4b8e915d921
dbc0edc27%40thread.tacv2/1642944702818?context=%7b%22Tid%22%3a%2219ba435d-
e46c-436a-84f2-1b01e693e480%22%2c%22Oid%22%3a%22307e03e7-b687-4378-ab6a-14
430278843d%22%7d
END:VEVENT
BEGIN:VEVENT
SUMMARY:Francisco Javier García Pacheco
DTSTART;VALUE=DATE-TIME:20231228T150000Z
DTEND;VALUE=DATE-TIME:20231228T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/74
DESCRIPTION:Title: On the Bishop-Phelps property\nby Francisco Javier García
Pacheco as part of Seminar on Analysis\, Differential Equations and Mathem
atical Physics\n\nInteractive livestream: https://teams.microsoft.com/l/me
etup-join/19%3a030144e044cb4b8e915d921dbc0edc27%40thread.tacv2/16429447028
18?context=%7b%22Tid%22%3a%2219ba435d-e46c-436a-84f2-1b01e693e480%22%2c%22
Oid%22%3a%22307e03e7-b687-4378-ab6a-14430278843d%22%7d\nAbstract: TBA\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/74/
URL:https://teams.microsoft.com/l/meetup-join/19%3a030144e044cb4b8e915d921
dbc0edc27%40thread.tacv2/1642944702818?context=%7b%22Tid%22%3a%2219ba435d-
e46c-436a-84f2-1b01e693e480%22%2c%22Oid%22%3a%22307e03e7-b687-4378-ab6a-14
430278843d%22%7d
END:VEVENT
BEGIN:VEVENT
SUMMARY:Sergei Konyagin
DTSTART;VALUE=DATE-TIME:20240111T150000Z
DTEND;VALUE=DATE-TIME:20240111T160000Z
DTSTAMP;VALUE=DATE-TIME:20231210T233349Z
UID:SeminaronAnalysis/75
DESCRIPTION:Title: On the norm of the Riesz projection from L∞ to Lp\nby Ser
gei Konyagin as part of Seminar on Analysis\, Differential Equations and M
athematical Physics\n\nInteractive livestream: https://teams.microsoft.com
/l/meetup-join/19%3a030144e044cb4b8e915d921dbc0edc27%40thread.tacv2/164294
4702818?context=%7b%22Tid%22%3a%2219ba435d-e46c-436a-84f2-1b01e693e480%22%
2c%22Oid%22%3a%22307e03e7-b687-4378-ab6a-14430278843d%22%7d\nAbstract: TBA
\n
LOCATION:https://researchseminars.org/talk/SeminaronAnalysis/75/
URL:https://teams.microsoft.com/l/meetup-join/19%3a030144e044cb4b8e915d921
dbc0edc27%40thread.tacv2/1642944702818?context=%7b%22Tid%22%3a%2219ba435d-
e46c-436a-84f2-1b01e693e480%22%2c%22Oid%22%3a%22307e03e7-b687-4378-ab6a-14
430278843d%22%7d
END:VEVENT
END:VCALENDAR