Date 
Speaker  Seminar  Title 
Thursday, September 09, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Mircea Mustata University of Michigan 
Arithmetic Geometry Learning 
An overview of nonAbelian Hodge theory and the P=W conjecture 
Thursday, September 16, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Sridhar Venkatesh University of Michigan 
Arithmetic Geometry Learning 
Review of GIT. Construction and properties of the character variety 
Thursday, September 23, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Jakub Witaszek University of Michigan 
Arithmetic Geometry Learning 
The moduli spaces of Higgs bundles and flat bundles 
Thursday, September 30, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Jonghyun Lee University of Michigan 
Arithmetic Geometry Learning 
Hodge theory for H^1 as nonAbelian Hodge theory 
Thursday, October 07, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Mirko Mauri University of Michigan 
Arithmetic Geometry Learning 
Harmonic bundles and the maps of nonAbelian Hodge Theory 
Thursday, October 14, 2021 Start: 4:00 PM
Location: 4096 East Hall 
David Stapleton University of Michigan 
Arithmetic Geometry Learning 
Properties of the Hitchin map. Spectral curves 
Thursday, October 21, 2021 Start: 4:00 PM
Location: 4096 East Hall 
David Speyer University of Michigan 
Arithmetic Geometry Learning 
The Epoynomial and the curious Hard Lefschetz property of the character variety, after Hausel and RodriguezVillegas 
Thursday, November 04, 2021 Start: 4:00 PM
Location: 4096 East Hall 
James Hotchkiss University of Michigan 
Arithmetic Geometry Learning 
The motivic nature of the Leray filtration, after Arapura 
Friday, November 12, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Sebastian Olano University of Michigan 
Arithmetic Geometry Learning 
Introduction to perverse sheaves and the decomposition theorem 
Thursday, November 18, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Bhargav Bhatt University of Michigan 
Arithmetic Geometry Learning 
The geometric description of the perverse filtration after de Cataldo and Migliorini 
Thursday, December 02, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Alex Perry University of Michigan 
Arithmetic Geometry Learning 
The P=W conjecture for rank 2 bundles, after de Cataldo, Hausel, and Migliorini, part I 
Thursday, December 09, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Mircea Mustata University of Michigan 
Arithmetic Geometry Learning 
The P=W conjecture for rank 2 bundles, after de Cataldo, Hausel, and Migliorini, part II 
Thursday, January 13, 2022 Start: 4:00 PM
Location: 4096 East Hall 
Mirko Mauri UM 
Arithmetic Geometry Learning 
P=W for compact hyperkaehler manifolds 
Thursday, January 20, 2022 Start: 4:00 PM
Location: 4096 East Hall 
Siqing Zhang Stony Brook 
Arithmetic Geometry Learning 
NonAbelian Hodge Theorems in positive characteristics and implications for the P=W Conjecture 
Thursday, January 27, 2022 Start: 4:00 PM
Location: 4096 East Hall 
Enrica Mazzon UM 
Arithmetic Geometry Learning 
On the geometric P=W conjecture
