Date 
Speaker  Seminar  Title 
Wednesday, September 15, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Lena Ji University of Michigan 
Algebraic Geometry 
The NoetherLefschetz theorem in arbitrary characteristic 
Wednesday, September 22, 2021 Start: 4:00 PM
Location: 4096 East Hall 
David Stapleton University of Michigan 
Algebraic Geometry 
Studying the birational geometry of Fano varieties using holomorphic forms 
Wednesday, September 29, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Ritvik Ramkumar UC Berkeley 
Algebraic Geometry 
Rational singularities of nested Hilbert schemes 
Wednesday, October 06, 2021 Start: 4:15 PM
Location: 4096 East Hall * 
Joe Waldron MSU 
Algebraic Geometry 
Purely inseparable Galois theory 
Wednesday, October 13, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Mihnea Popa Harvard University 
Algebraic Geometry 
Connections between some conjectures on subvarieties of abelian varieties 
Wednesday, October 20, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Xiaolei Zhao UC Santa Barbara 
Algebraic Geometry 
Elliptic quintics on cubic fourfolds, moduli spaces of O'Grady 10 type, and intermediate Jacobian fibration 
Wednesday, November 03, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Mirko Mauri University of Michigan 
Algebraic Geometry 
Supports and singularities of the Hitchin fibration 
Wednesday, November 10, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Geordie Williamson

Algebraic Geometry 
Geordie Williamson (University of Sydney) Number Theory RTG Lectures II  virtual 
Wednesday, November 17, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Yoonjoo Kim Stony Brook University 
Algebraic Geometry 
The dual Lagrangian fibration of compact hyperKaehler manifolds 
Wednesday, December 01, 2021 Start: 4:00 PM
Location: Virtual: https://umich.zoom.us/j/94324033605, passcode: agnow * 
Nguyen Huu Kien KU Leuven 
Algebraic Geometry 
New progress on Igusa's conjecture on exponential sums 
Wednesday, December 08, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Enrica Mazzon University of Michigan 
Algebraic Geometry 
Higher Fano manifolds 
Wednesday, January 12, 2022 Start: 4:00 PM
Location: 4096 East Hall 
Andres Fernandez Herrero Cornell University 
Algebraic Geometry 
Intrinsic construction of moduli spaces via affine grassmannians 
Wednesday, January 19, 2022 Start: 4:00 PM
Location: 4096 East Hall 
Noah Olander Columbia University 
Algebraic Geometry 
Fully faithful functors and dimension 
Wednesday, January 26, 2022 Start: 4:00 PM
Location: 4096 East Hall 
François Greer Michigan State University 
Algebraic Geometry 
Cyclevalued quasimodular forms 
Wednesday, February 02, 2022 Start: 4:00 PM
Location: 4096 East Hall 
Jakub Witaszek UM 
Algebraic Geometry 
Relative semiampleness in mixed characteristic 
Wednesday, February 09, 2022 Start: 4:00 PM
Location: 4096 East Hall 
Jesse Wolfson UC Irvine 
Algebraic Geometry 
Essential dimension via prismatic cohomology 
Wednesday, February 16, 2022 Start: 4:00 PM
Location: Zoom * 
Georg Oberdieck University of Bonn 
Algebraic Geometry 
Enumerative geometry of holomorphicsymplectic 4folds 
Wednesday, February 23, 2022 Start: 4:00 PM
Location: 4096 East Hall 
Shizhang Li UM 
Algebraic Geometry 
A prismatic explanation for pathology in padic cohomology theory 
Wednesday, March 16, 2022 Start: 4:00 PM
Location: 4096 East Hall 
Alicia Lamarche University of Utah 
Algebraic Geometry 
Derived categories and rational points for a class of toric Fano varieties 
Thursday, March 17, 2022 Start: 4:00 PM
Location: 4096 East Hall 
Jacob Lurie IAS 
Algebraic Geometry 
On Makkai's Strong Conceptual Completeness Theorem 
Wednesday, March 23, 2022 Start: 4:00 PM
Location: 4096 East Hall 
Justin Lacini University of Kansas 
Algebraic Geometry 
Logarithmic bounds on Fujita's conjecture 
Wednesday, March 30, 2022 Start: 4:00 PM
Location: 4096 East Hall 
Emanuel Reinecke MPIM Bonn 
Algebraic Geometry 
Crystalline local systems via the prismatic site 
Wednesday, April 06, 2022 Start: 4:00 PM
Location: 4096 East Hall 
Emelie Arvidsson IAS 
Algebraic Geometry 
Vanishing theorems for Fano's and depth of klt and lc singularities in positive characteristics 
Wednesday, April 13, 2022 Start: 4:00 PM
Location: 4096 East Hall 
Yuchen Liu Northwestern University 
Algebraic Geometry 
Kstability and moduli of quartic K3 surfaces 
Wednesday, April 20, 2022 Start: 4:00 PM
Location: 4096 East Hall 
Mark de Cataldo Stony Brook University 
Algebraic Geometry 
Selfindexing flags and the perverse filtration in cohomology 
Monday, May 16, 2022 Start: 4:00 PM
Location: Zoom * 
Christopher Dodd UIUC 
Algebraic Geometry 
Differential Operators, Gauges, and Mazur’s Theorem for Hodge Modules I 
Tuesday, May 17, 2022 Start: 4:00 PM
Location: Zoom * 
Christopher Dodd UIUC 
Algebraic Geometry 
Differential Operators, Gauges, and Mazur’s Theorem for Hodge Modules II 