Sat | May 27 | 14:00 | QM Foundations & Nature of Time seminar | Álvaro García López | Orbit quantization in a retarded potential | slides | | paper |

Fri | May 26 | 21:00 | Combinatorial and additive number theory (CANY 2023) | Alex Iosevich | Point configurations in vector spaces over finite fields | | | |

Fri | May 26 | 20:30 | Combinatorial and additive number theory (CANY 2023) | Mel Nathanson | Patterns in the iteration of an arithmetic function | | | |

Fri | May 26 | 20:00 | Combinatorial and additive number theory (CANY 2023) | Firdavs Rakhmonov | Distribution of similar configurations in subsets of $\mathbb{F}_q^d$ | | | |

Fri | May 26 | 19:30 | Combinatorial and additive number theory (CANY 2023) | Marc Technau | On the Farey fraction spin chain | | | |

Fri | May 26 | 19:00 | Combinatorial and additive number theory (CANY 2023) | C. Sinan Gunturk | Density of the Bernstein lattices | | | |

Fri | May 26 | 18:30 | Combinatorial and additive number theory (CANY 2023) | Misha Rudnev | On sums and products of integers with few prime factors | | | |

Fri | May 26 | 18:00 | Combinatorial and additive number theory (CANY 2023) | Robert Donley | Path enumeration for antimagic squares | | | |

Fri | May 26 | 17:30 | Combinatorial and additive number theory (CANY 2023) | Ariane Masuda | Involutions over finite fields | | | |

Fri | May 26 | 17:00 | Geometry Webinar AmSur /AmSul | Yang-Hui He | Universes as BigData: Physics, Geometry and Machine-Learning | | | |

Fri | May 26 | 16:00 | Combinatorial and additive number theory (CANY 2023) | Noah Lebowitz-Lockard | Long runs of numbers with the same number of divisors | | | |

Fri | May 26 | 15:30 | Combinatorial and additive number theory (CANY 2023) | Ryan Jeong | Progress on relative sizes of generalized sumsets and their complements | | | |

Fri | May 26 | 15:00 | Combinatorial and additive number theory (CANY 2023) | Daniel Tsai | A characterization of prime $v$-palindromes | | | |

Fri | May 26 | 14:30 | Combinatorial and additive number theory (CANY 2023) | Alex Rice | Generalized arithmetic progressions and diophantine approximation by polynomials | | | |

Fri | May 26 | 14:00 | Functional analysis and operator algebras in Athens | G. Kopsacheilis | A comparison type property for Cartan subalgebras | | | |

Fri | May 26 | 14:00 | Combinatorial and additive number theory (CANY 2023) | Aled Walker | On a Bohr set analogue of Chowla's conjecture | | | |

Fri | May 26 | 13:30 | Combinatorial and additive number theory (CANY 2023) | Tomasz Kowalczyk | On Waring numbers of henselian rings II | | | |

Fri | May 26 | 13:15 | Symplectic zoominar | Joé Brendel | Local exotic tori | | | |

Fri | May 26 | 13:00 | Algebraic and Combinatorial Perspectives in the Mathematical Sciences | Chiara Meroni | Path signatures in convex geometry | | | paper |

Fri | May 26 | 13:00 | Combinatorial and additive number theory (CANY 2023) | Piotr Miska | On Waring numbers of henselian rings I | | | |

Fri | May 26 | 11:30 | Bilkent University Quantum Computing Seminar | Hakop Pashayan | Classical simulation of quantum circuits | | | |

Fri | May 26 | 09:00 | BIMSA Integrable Systems Seminar | Yunfeng Jiang | Spin-s rational Q-system | | | |

Fri | May 26 | 08:30 | Séminaire de géométrie arithmétique et motivique (Paris Nord) | Eknath Ghate | Reductions of Galois representations | | | |

Thu | May 25 | 22:30 | PIMS SFU Operations Research Seminar | Isabelle Shankar (UBC-O hosted) | Central Curve in Semidefinite Programming | | | |

Thu | May 25 | 21:30 | Combinatorial and additive number theory (CANY 2023) | Ruben Ascoli | Sum and difference sets in generalized dihedral groups | | | |

Thu | May 25 | 21:00 | Combinatorial and additive number theory (CANY 2023) | Mizan Khan | Interior hulls and continued fractions | | | |

Thu | May 25 | 20:30 | Combinatorial and additive number theory (CANY 2023) | Nathan McNew | The distribution of intermediate prime factors | | | |

Thu | May 25 | 20:00 | Combinatorial and additive number theory (CANY 2023) | Tim Trudgian | A hair's breadth of a half | | | |

Thu | May 25 | 19:30 | Combinatorial and additive number theory (CANY 2023) | Cormac O'Sullivan | A hidden link between two of Ramanujan’s approximations | | | |

Thu | May 25 | 19:00 | Combinatorial and additive number theory (CANY 2023) | Steven Senger | Recent developments in point configuration problems in vector spaces over various fields | | | |

Thu | May 25 | 18:30 | Combinatorial and additive number theory (CANY 2023) | P\'eter P\'al Pach | The Alon-Jaeger-Tarsi conjecture via group ring identities | | | |

Thu | May 25 | 18:00 | Combinatorial and additive number theory (CANY 2023) | Satyanand Singh | On the Pythagorean reciprocal identity $a^{-2}+b^{-2}=d^{-2}$ and the generation of all solutions for fixed $d>0$ | | | |

Thu | May 25 | 18:00 | Rocky Mountain Rep Theory Seminar | Ivana Vukorepa | Tensor category $KL_k(sl_{2n})$ via minimal affine $W$--algebras at the non-admissible level $k=-\frac{2n+1}{2}$ | | | |

Thu | May 25 | 17:30 | Combinatorial and additive number theory (CANY 2023) | Emma Bailey | Atypical behaviour of the Riemann zeta function | | | |

Thu | May 25 | 17:00 | Bachelier Finance Society One World seminar series | Anna Aksamit | Superhedging duality for multi-action options under model uncertainty with information delay | | | |

Thu | May 25 | 17:00 | Topos Institute Colloquium | Elaine Landry | As If Category Theory were a Foundation | | video | |

Thu | May 25 | 16:00 | Combinatorial and additive number theory (CANY 2023) | Harald Helfgott | Explicit bounds on sums of the M\" obius functions | | | |

Thu | May 25 | 15:30 | Combinatorial and additive number theory (CANY 2023) | Florian Luca | Carmichael numbers of the form $2^n k+1$ | | | |

Thu | May 25 | 15:00 | Combinatorial and additive number theory (CANY 2023) | Maciej Ulas | Geometric progressions in the sets of values of rational functions | | | |

Thu | May 25 | 15:00 | Number Theory Web Seminar | Barak Weiss | New bounds on lattice covering volumes, and nearly uniform covers | | | |

Thu | May 25 | 14:30 | Combinatorial and additive number theory (CANY 2023) | Norbert Hegyvari | Covering shrinking polynomials by progressions | | | |

Thu | May 25 | 14:15 | Copenhagen-Jerusalem Combinatorics Seminar | Iván Rasskin | Connecting numbers with knots through polytopes and sphere packings | | | |

Thu | May 25 | 14:00 | Combinatorial and additive number theory (CANY 2023) | Sayak Sengupta | Locally nilpotent polynomials over $\mathbf{Z}$ | | | |

Thu | May 25 | 14:00 | MESS (Mathematics Essex Seminar Series) | Dr Alex Doak | Internal Solitary Waves in a three-layer model | | | |

Thu | May 25 | 14:00 | Maths seminars at the University of Galway | Svetlana Petrenko | Modelling of Silica Pattern Formation in Diatoms Using a Continuum Approach | | | |

Thu | May 25 | 14:00 | Online Nottingham algebraic geometry seminar | Kelly Jabbusch | The minimal projective bundle dimension and toric 2-Fano manifolds | | | |

Thu | May 25 | 13:30 | Combinatorial and additive number theory (CANY 2023) | Mikhail Gabdullin | Prime avoiding numbers is a basis of order two | | | |

Thu | May 25 | 13:05 | Geometry and topology online | Michael Borinsky | The commutative graph complex and the amount of top-weight cohomology in the moduli space of curves | | | |

Thu | May 25 | 13:00 | Barcelona Analysis Seminar | Rupert Frank | Sharp stability for Sobolev and log-Sobolev inequalities, with optimal dimensional dependence | | | |

Thu | May 25 | 13:00 | Combinatorial and additive number theory (CANY 2023) | Paolo Leonetti | How many sets of integers have a small perturbation of the type $A+B$? | | | |

Thu | May 25 | 13:00 | (ED-3S) Essex Data Science Seminar Series | Dr. Xiaochuan Yang | Some recent progress in random geometric graphs: beyond the standard regimes | | | |

Thu | May 25 | 13:00 | SFT@Cloud Journal Club | Kevin Costello | Twisted supergravity and string field theory | | | |

Thu | May 25 | 13:00 | FD Seminar | Fabian Haiden | TBA | | | |

Thu | May 25 | 11:15 | Gothenburg statistics seminar | Frank Miller | Parallel optimal pretesting of mixed-format questions for achievement tests | | | |

Thu | May 25 | 11:00 | Mathematical models and integration methods | E. I. Kaptsov | Methods for constructing invariant conservative finite-difference schemes for hydrodynamic-type equations | | | |

Thu | May 25 | 07:30 | Symmetry in Newcastle | Michael Wibmer | Expansive endomorphisms of profinite groups | | | |

Thu | May 25 | 07:00 | Probability Victoria Seminar (PVSeminar) | Ben Goldys | Stochastic flows in infinite dimensions | | | |

Thu | May 25 | 07:00 | La Trobe University Statistics and Stochastic zoom seminar | Prof Ben Goldys | Stochastic flows in infinite dimensions | | | |

Thu | May 25 | 06:00 | Cosmology Talks | Dongwon Han, Niall MacCrann, Mathew Madhavacheril, Frank Qu, Blake Sherwin | Advanced ACT Lensing Cosmology (the best high redshift, large scale take on the S8 tension) | | video | paper |

Thu | May 25 | 06:00 | ANU Research School of Earth Sciences school seminar | Tom Merry | Cyprus: Seismicity, Subduction and Serpentinite | | | |

Thu | May 25 | 06:00 | Symmetry in Newcastle | Michael Wibmer | Difference algebraic groups | | | |

Wed | May 24 | 21:00 | Combinatorial and additive number theory (CANY 2023) | Russell Jay Hendel | Recursions, closed forms, and characteristic polynomials of the circuit array | | | |

Wed | May 24 | 20:30 | Combinatorial and additive number theory (CANY 2023) | Asher Roberts | The rate of convergence for Selberg's multivariate CLT | | | |

Wed | May 24 | 20:00 | Combinatorial and additive number theory (CANY 2023) | David A. Ross | Some proofs about sequences in the spirit of Paul du Bois-Reymond | | | |

Wed | May 24 | 19:30 | Combinatorial and additive number theory (CANY 2023) | Robert Hough | Subconvexity of Sato-Shintani zeta functions | | | |

Wed | May 24 | 19:00 | Combinatorial and additive number theory (CANY 2023) | Noah Kravitz | Lonely runner spectra, revisited | | | |

Wed | May 24 | 19:00 | NYC noncommutative geometry seminar | Ulrich Bunke | A homotopical view on $K$ and $KK$-theory for $C^{*}$-algebras | slides | video | |

Wed | May 24 | 18:30 | Combinatorial and additive number theory (CANY 2023) | Adam Sheffer | Distinct distances in the complex plane | | | |

Wed | May 24 | 18:00 | Combinatorial and additive number theory (CANY 2023) | G\' abor Somlai | Cutting the positive real numbers into disjoint sets closed under addition and multiplication | | | |

Wed | May 24 | 17:30 | Combinatorial and additive number theory (CANY 2023) | Angel Kumchev | New versions of old results on gaps between squarefree integers | | | |

Wed | May 24 | 16:00 | Combinatorial and additive number theory (CANY 2023) | Miquel Ortega | Product-free sets in the free group | | | |

Wed | May 24 | 16:00 | Metagovernance Seminar | Daniel Golliher | On "Civics" | | video | |

Wed | May 24 | 16:00 | Topological Quantum Field Theory Club (IST, Lisbon) | Markus Upmeier | Invertible TQFTs and Atiyah–Singer index theory | | | |

Wed | May 24 | 15:30 | Bilkent Topology Seminar | Haihan Wu | Webs and Clasps | | | |

Wed | May 24 | 15:30 | Combinatorial and additive number theory (CANY 2023) | Christoph Spiegel | Towards flag algebras in additive combinatorics | | | |

Wed | May 24 | 15:00 | Seminar on Algorithmic Aspects of Information Theory | Mahmoud Abo Khamis | The Polymatroid Bound: Extensions and Applications in Database Query Evaluation. | | | |

Wed | May 24 | 15:00 | Combinatorial and additive number theory (CANY 2023) | Leonid Fel | Symmetric (not complete intersection) numerical semigroups and syzygy identities | | | |

Wed | May 24 | 15:00 | Input-to-State Stability and its Applications | Swann Marx | ISS Lyapunov functional strictification for the output regulation of a Korteweg-de Vries equation | | | |

Wed | May 24 | 15:00 | London number theory seminar | Ross Paterson | Quadratic Twists as Random Variables | | | |

Wed | May 24 | 14:30 | Combinatorial and additive number theory (CANY 2023) | Sergei Konyagin | Large gaps between sums of two squarefull numbers | | | |

Wed | May 24 | 14:20 | ItaCa Fest 2023 | P. Freni | What should Strong Vector Spaces be? | | | |

Wed | May 24 | 14:00 | Combinatorial and additive number theory (CANY 2023) | Trevor Wooley | Waring's problem and Freiman's theorem | | | |

Wed | May 24 | 14:00 | Galois geometries and their applications eseminars | Ilaria Cardinali | Grassmannian of codes | | | |

Wed | May 24 | 14:00 | IPM Algebraic Geometry Seminar | Paolo Cascini | On the Minimal Model Program for complex foliated varieties | | | |

Wed | May 24 | 14:00 | ICTS String Seminars | Eva Silverstein | The matter with TT-bar + Lambda_2 | | | |

Wed | May 24 | 13:40 | ItaCa Fest 2023 | M. Menni | Decidable objects and molecular toposes | | | |

Wed | May 24 | 13:30 | Combinatorial and additive number theory (CANY 2023) | Andrzej Kukla | Practical sets and $A$-practical numbers | | | |

Wed | May 24 | 13:00 | Combinatorial and additive number theory (CANY 2023) | Kiseok Yeon | The Hasse principle for homogeneous polynomials with random coefficients over thin sets | | | |

Wed | May 24 | 13:00 | ItaCa Fest 2023 | F. Guffanti | A doctrinal view of logic | | | |

Wed | May 24 | 13:00 | Sheffield Pure Maths Colloquia | Robert Fraser | (ONLINE) Two strategies for Fourier decay of measures in Diophantine approximation | | | |

Wed | May 24 | 13:00 | Maths seminars at the University of Galway | Nicola Fitz-Simon | Mathematical and statistical modelling for the covid-19 pandemic in Ireland | | | |

Wed | May 24 | 12:00 | CERN Theory Colloquia | Elina Fuchs | Quantum sensing for New Physics and Gravitational Waves | slides | | |

Wed | May 24 | 11:30 | Prague-Hradec Kralove seminar Cohomology in algebra, geometry, physics and statistics | Guchuan Li | From the real cobordism theory to the Kervaire invariant one problem | | video | |

Wed | May 24 | 10:30 | Yerevan Mathematical Colloquium | Gohar Kyureghyan | Finite Fields and their Applications in Cryptology | | | |

Wed | May 24 | 10:00 | ICCUB Seminars | Arnau Marsé | Double-Strangeness Molecular-Type Pentaquarks from Coupled-Channel Dynamics | | | |

Wed | May 24 | 09:00 | Machine Learning Seminar | Taejin Paik | Isometry-Invariant and Subdivision-Invariant Representations of Embedded Simplicial Complexes | | | |

Wed | May 24 | 07:00 | IBS Biomedical Mathematics Online Colloquium | Thomas Philipp | Stochastic gene expression in lineage trees | | | |

Tue | May 23 | 21:30 | Combinatorial and additive number theory (CANY 2023) | Ruiwen (Raven) Tang | The constant of point-line incidence constructions | | | |

Tue | May 23 | 21:00 | Combinatorial and additive number theory (CANY 2023) | Robert Groth | Constructing generalized Sierp\' inski numbers | | | |

Tue | May 23 | 20:30 | Combinatorial and additive number theory (CANY 2023) | Brad Isaacson | On some polynomial reciprocity formulas | | | |

Tue | May 23 | 20:00 | Combinatorial and additive number theory (CANY 2023) | Karyn McLellan | Counting $\mathbf{\textit{n}^{\textrm{th}}}$ differences of the floor of an irrational sequence | | | |