Academic Year 2019/20

September 19, 2019Alice B. Tumpach (Université de Lille, France)Bruhat-Poisson structure of the restricted Grassmannian and the KdV hierarchy
September 26, 2019Anton Mellit (University of Vienna)The curious hard Lefschetz property for character varieties
September 27*, 2019Oscar Garcia-Prada (ICMAT Madrid)BWAG
October 3, 2019Gergely Harcos (Renyi MTA, Budapest)A Minkowski-type result for linearly independent subsets of ideal lattices
October 10, 2019Ben Davison (University of Edinburgh)Positivity for quantum canonical bases for cluster algebras
October 17, 2019Umberto Zannier (Scuola Normale Superiore, Italy); (tbc)Bounded height in pencils of finitely generated subgroups
October 24, 2019Fernando R. Villegas (ICTP Trieste)Integral factorials ratios and mixed Hodge numbers
October 31, 2019 (UNUSUAL PLACE: Uni Vienna)Francois Loeser (Sorbonne Université)BWAG
November 7, 2019Nadir Fasola (SISSA, Trieste)
November 14, 2019Yang Cao (University of Hannover)
November 21, 2019Jochen Heinloth (University of Duisburg-Essen)
November 28, 2019Rachel Newton (University of Reading, UK)
December 5, 2019Hulya Arguz (University of Versailles St-Quentin)
December 12, 2019Daniel Huybrechts (University of Bonn)
December 19, 2019Jessica Fintzen (University of Cambridge)
January 09, 2020Arthur Forey (ETH Zürich)Uniform bound for points of bounded degree in function fields of positive characteristic
January 16, 2020Adeel Khan (University of Regensburg)Intersection theory of derived stacks
January 23, 2020Fabien Pazuki (University of Copenhagen)Regulators of number fields and abelian varieties.
March 05, 2020Lenny Taelman (University of Amsterdam)Derived equivalences of hyperkähler varieties
March 12, 2020Ulrich Derenthal (University of Hannover)Postponed
March 19, 2020Georg Oberdieck (University of Bonn)Postponed
March 26, 2020Pavel Safronov (University of Zurich)Postponed
April 02, 2020Balazs Szendroi (University of Oxford)Hilbert schemes of points on singular surfaces: combinatorics, geometry, and representation theory
April 09, 2020Cong Xue (University of Cambridge)Cohomology of stacks of shtukas
April 16, 2020Dimitri Wyss (EPFL)Postponed
April 23, 2020Yuuji Tanaka (University of Oxford)Vafa-Witten invariants on projective surfaces
April 30, 2020Daniel Fiorilli (Université Paris-Sud)On the distribution of the error term in Chebotarev’s density theorem and applications
May 07, 2020Alexis BouthierPostponed
May 14, 2020David Harari (Université Paris-Saclay)Postponed
May 21, 2020Sergei Gukov (Caltech/MPI Bonn)From the Generalized Volume Conjecture to Turaev and Ramanujan
May 28, 2020Peter Humphries (University College London)Small scale equidistribution of lattice points on the sphere
June 04, 2020Hélène Esnault (Freie Universität Berlin)Postponed
June 11, 2020Dimitri Wyss (EPFL)P-adic integration, geometry and Higgs bundles.
June 18, 2020Vladimir Dokchitser (University College London)Postponed
June 18, 2020Junliang Shen (MIT Mathematics)On the topology of Hitchin fibrations
June 19, 2020Richard Wentworth (University of Maryland)BWAG