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BEGIN:VEVENT
SUMMARY:Spencer Leslie (Duke)
DTSTART:20200427T113000Z
DTEND:20200427T124000Z
DTSTAMP:20260422T213047Z
UID:HujiBguAGNT/1
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/HujiBguAGNT/
 1/">The endoscopic fundamental lemma for unitary symmetric spaces</a>\nby 
 Spencer Leslie (Duke) as part of HUJI-BGU AG-NT seminar\n\n\nAbstract\nMot
 ivated by the study of certain cycles in locally symmetric spaces and rela
 ted periods of automorphic forms on unitary groups\, I propose a theory of
  endoscopy for certain symmetric spaces. The main result is the fundamenta
 l lemma for the unit function. After explaining where the fundamental lemm
 a fits into this broader picture\, I will describe its proof.\n
LOCATION:https://researchseminars.org/talk/HujiBguAGNT/1/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Ziyang Gao (CNRS)
DTSTART:20200504T113000Z
DTEND:20200504T124000Z
DTSTAMP:20260422T213047Z
UID:HujiBguAGNT/2
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/HujiBguAGNT/
 2/">Bound on the number of rational points on curves</a>\nby Ziyang Gao (C
 NRS) as part of HUJI-BGU AG-NT seminar\n\n\nAbstract\nMazur conjectured\, 
 after Faltings's proof of the Mordell conjecture\, that the number of rati
 onal points on a curve depends only on the genus\, the degree of the numbe
 r field and the Mordell-Weil rank. This conjecture was established in a fe
 w cases. In this talk I will explain how to prove this conjecture and some
  of its generalization. I will focus on how functional transcendence and u
 nlikely intersections on mixed Shimura varieties are applied. This is join
 t work with Vesselin Dimitrov and Philipp Habegger.\n
LOCATION:https://researchseminars.org/talk/HujiBguAGNT/2/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Timo Richarz (Darmstadt)
DTSTART:20200511T103000Z
DTEND:20200511T114000Z
DTSTAMP:20260422T213047Z
UID:HujiBguAGNT/3
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/HujiBguAGNT/
 3/">The motivic Satake equivalence</a>\nby Timo Richarz (Darmstadt) as par
 t of HUJI-BGU AG-NT seminar\n\n\nAbstract\nThe geometric Satake equivalenc
 e is by now an indispensable tool in the Langlands program. Several versio
 ns of this equivalence for different cohomology theories are known\, such 
 as Betti cohomology\, D-modules and étale cohomology. In this talk\, I ex
 plain how to apply recent advances in the theory of motives to the constru
 ction of a motivic Satake equivalence. One recovers the aforementioned geo
 metric Satake equivalences under suitable realization functors. This is jo
 int work with Jakob Scholbach from Münster.\n
LOCATION:https://researchseminars.org/talk/HujiBguAGNT/3/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Zev Rosengarten (HUJI)
DTSTART:20200525T133000Z
DTEND:20200525T144000Z
DTSTAMP:20260422T213047Z
UID:HujiBguAGNT/4
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/HujiBguAGNT/
 4/">Differential Forms and the p-primary part of the Brauer group in chara
 cteristic p</a>\nby Zev Rosengarten (HUJI) as part of HUJI-BGU AG-NT semin
 ar\n\n\nAbstract\nThe Brauer group of a field\, and more generally a schem
 e\, is a fundamental object of study in arithmetic and algebraic geometry.
  There is a beautiful idea\, which over fields goes back (I believe) to Ka
 to\, for understanding the p-primary part of this group in characteristic 
 p in terms of differential forms. I will present this method in detail\, a
 nd discuss several important applications\, in particular to cohomology of
  algebraic groups and to the study of Picard groups of unipotent groups.\n
LOCATION:https://researchseminars.org/talk/HujiBguAGNT/4/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Fabien Pazuki (Copenhagen)
DTSTART:20200601T113000Z
DTEND:20200601T124000Z
DTSTAMP:20260422T213047Z
UID:HujiBguAGNT/5
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/HujiBguAGNT/
 5/">Regulators of number fields and abelian varieties</a>\nby Fabien Pazuk
 i (Copenhagen) as part of HUJI-BGU AG-NT seminar\n\n\nAbstract\nIn the gen
 eral study of regulators\, we present three inequalities. We first bound f
 rom below the regulators of number fields\, following previous works of Si
 lverman and Friedman. We then bound from below the regulators of Mordell-W
 eil groups of abelian varieties defined over a number field\, assuming a c
 onjecture of Lang and Silverman. Finally we explain how to prove an uncond
 itional statement for elliptic curves of rank at least 4. This third inequ
 ality is joint work with Pascal Autissier and Marc Hindry. We give some co
 rollaries about the Northcott property and about a counting problem for ra
 tional points on elliptic curves.\n
LOCATION:https://researchseminars.org/talk/HujiBguAGNT/5/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Kathrin Bringmann (Koln)
DTSTART:20200608T113000Z
DTEND:20200608T124000Z
DTSTAMP:20260422T213047Z
UID:HujiBguAGNT/6
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/HujiBguAGNT/
 6/">Class numbers and representations by quadratic forms</a>\nby Kathrin B
 ringmann (Koln) as part of HUJI-BGU AG-NT seminar\n\n\nAbstract\nIn my tal
 k\, which reports on joint work with Ben Kane\, I  investigate various new
  relations between representations of integer by quadratic forms (with con
 gruence conditions). This is in the spirit of work of Petersson. There is 
 an application to 7-core partitions.\n
LOCATION:https://researchseminars.org/talk/HujiBguAGNT/6/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Claudia Alfes-Neumann (Paderborn)
DTSTART:20200615T113000Z
DTEND:20200615T124000Z
DTSTAMP:20260422T213047Z
UID:HujiBguAGNT/7
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/HujiBguAGNT/
 7/">Elliptic curves and harmonic weak Maass forms</a>\nby Claudia Alfes-Ne
 umann (Paderborn) as part of HUJI-BGU AG-NT seminar\n\n\nAbstract\nIn this
  talk we first introduce modular forms and an arithmetically particularly 
 interesting generalization: harmonic weak Maass forms. We show how these f
 orms can be related to elliptic curves. Special harmonic Maass forms encod
 e the vanishing of the central L-value and L-derivative which occur in the
  Birch and Swinnerton-Dyer Conjecture. (This is in parts joint work with M
 ichael Griffin\, Ken Ono and Larry Rolen building upon work of Jan Bruinie
 r an Ken Ono.)\n
LOCATION:https://researchseminars.org/talk/HujiBguAGNT/7/
END:VEVENT
BEGIN:VEVENT
SUMMARY:David Rydh (KTH)
DTSTART:20200622T113000Z
DTEND:20200622T124000Z
DTSTAMP:20260422T213047Z
UID:HujiBguAGNT/8
DESCRIPTION:by David Rydh (KTH) as part of HUJI-BGU AG-NT seminar\n\nAbstr
 act: TBA\n
LOCATION:https://researchseminars.org/talk/HujiBguAGNT/8/
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