Date 
Speaker  Seminar  Title 
Monday, July 12, 2021 Start: 9:30 AM
Location: Zoom Virtual * 
Frédéric Naud Sorbonne Université 
Geometry 
Random covers of hyperbolic surfaces and resonances 
Monday, July 12, 2021 Start: 11:00 AM
Location: Zoom Virtual * 
Michael Magee Durham University 
Geometry 
Extension of Alon's and Friedman's conjectures to Schottky surfaces 
Thursday, July 15, 2021 Start: 10:00 AM
Location: Virtual 
Fanchen He UM 
Special Events 
Dissertation Defense: Towards a newgeneration numerical scheme for the compressible NavierStokes equations with the Active Flux method 
Monday, July 19, 2021 Start: 1:00 PM
Location: Virtual 
David Schwein UM 
Special Events 
Dissertation Defense: Formal Degree of Regular Supercuspidals 
Tuesday, July 27, 2021 Start: 1:00 PM
Location: Virtual 

Special Events 
UM/AMiIBL IBL Workshop 
Wednesday, July 28, 2021 Start: 1:00 PM
Location: Virtual 

Special Events 
UM/AMiIBL IBL Workshop 
Thursday, July 29, 2021 Start: 1:00 PM
Location: Virtual 

Special Events 
UM/AMiIBL IBL Workshop 
Tuesday, August 03, 2021 Start: 10:00 AM
Location:Zoom: https://umich.zoom.us/j/95106023019 Passcode: 076135 Virtual 
Jingjie Zhang UM 
Special Events 
Dissertation Defense: Problems in Mathematical Finance Related to Time Inconsistency and Mean Field Games 
Tuesday, August 03, 2021 Start: 2:00 PM
Location:Zoom: https://umich.zoom.us/j/98116005390 Passcode: 932916 Virtual 
Hai Zhu UM 
Special Events 
Dissertation Defense: Integral Equation MethodsBased PDE Solvers and Application in Fluid Optimization Problems 
Wednesday, August 04, 2021 Start: 2:00 PM
Location:Zoom: https://umich.zoom.us/j/98932630173 Passcode: 762093 Virtual 
Saibal De UM 
Special Events 
Dissertation Defense: Fast Solvers and Simulation Data Compression Algorithms for Granular Media and Complex Fluid Flows 
Tuesday, August 10, 2021 Start: 10:00 AM
Location:Zoom: https://umich.zoom.us/j/94511743780 Meeting ID: 945 1174 3780 Passcode: 66128475 Virtual 
Ningyuan Wang UM 
Special Events 
Dissertation Defense: Modeling and Simulation Methods of Neuronal Populations and Neuronal Networks 
Monday, August 23, 2021 Start: 10:00 AM
Location:Zoom: https://umich.zoom.us/s/91080832417 Passcode: leray Virtual 
Yonatan Shelah UM 
Special Events 
Dissertation Defense: A spectral exploration of the Leray transform in two different settings in C^2 
Monday, August 30, 2021 Start: 4:00 PM
Location: 3866 East Hall 

Student Combinatorics 
Planning Meeting 
Monday, August 30, 2021 Start: 5:00 PM
Location: 3866 East Hall * 
Student Analysis University of Michigan 
Student Analysis 
Planning Meeting 
Friday, September 03, 2021 Start: 3:00 PM
Location: 2866 East Hall 

Student Algebraic Geometry 
Organizational Meeting 
Tuesday, September 07, 2021 Start: 3:00 PM
Location: 2866 East Hall * 

Student Commutative Algebra 
Planning Meeting 
Wednesday, September 08, 2021 Start: 4:00 PM
Location: 1324 East Hall 
Ali Kara UM 
Financial/Actuarial Mathematics 
NearOptimality of FiniteWindow Policies for POMDPs under Filter Stability and its Qlearning Convergence 
Wednesday, September 08, 2021 Start: 4:00 PM
Location: 3866 East Hall 
Sayantan Khan U Michigan 
RTG Seminar on Geometry, Dynamics and Topology 
Introduction to PattersonSullivan theory (for hyperbolic surfaces) 
Thursday, September 09, 2021

Melvin Hochster

Commutative Algebra 
No meeting this week 
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 09, 2021 Start: 5:30 PM
Location: 3866 East Hall * 

Student Dynamics/Geometry Topology 
Planning Meeting 
Friday, September 10, 2021 Start: 3:00 PM
Location: ZOOM East Hall * 
John Wettlaufer Yale University 
Applied Interdisciplinary Mathematics (AIM) 
From quantum field theory to the making of tea with Lord Rayleigh: A tour of the science of Charlie Doering 
Friday, September 10, 2021 Start: 3:00 PM
Location: 2866 East Hall 
Shubhodip Mondal UM 
Student Algebraic Geometry 
Algebraic de Rham Cohomology 
Friday, September 10, 2021 Start: 3:00 PM
Location: 1866 East Hall 
Andrew Snowden UM 
Learning Seminar in Representation Stability 
Residue fields of twisted commutative algebras 
Friday, September 10, 2021 Start: 4:00 PM
Location: 4096 East Hall 

Preprint Algebraic Geometry 
Organizational meeting 
Monday, September 13, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Charlotte Chan University of Michigan 
RTG Seminar on Number Theory 
Flag varieties and representations of padic groups 
Monday, September 13, 2021 Start: 3:30 PM
Location: ZOOM ID: 922 9373 3366 Virtual * 
Mateusz Piorkowski MSRI 
Integrable Systems and Random Matrix Theory 
Longtime asymptotics of KdV dispersive shock wave via RiemannHilbert problems 
Monday, September 13, 2021 Start: 4:00 PM
Location: 3866 East Hall 
Katie Waddle UM 
Student Combinatorics 
Schubert Calculus Part I: Grassmanians and Schubert Classes 
Monday, September 13, 2021 Start: 5:00 PM
Location: 3866 East Hall * 
Elizabeth CollinsWoodfin University of Michigan 
Student Analysis 
Tridiagonal random matrices (Part 1) 
Tuesday, September 14, 2021 Start: 3:00 PM
Location: 2866 East Hall * 
Swaraj Pande UM 
Student Commutative Algebra 
Tight Closure and BriançonSkoda Theorem 
Tuesday, September 14, 2021 Start: 4:00 PM
Location: 
reserved

Colloquium Series 

Wednesday, September 15, 2021 Start: 2:30 PM
Location: 4088 East Hall 
Melissa ShermanBennett UM 
Learning Seminar in Algebraic Combinatorics 
Introduction 
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 15, 2021 Start: 4:00 PM
Location: 3866 East Hall 
Sayantan Khan U M 
RTG Seminar on Geometry, Dynamics and Topology 
Introduction to PattersonSullivan theory (for hyperbolic surfaces) (part 2) 
Wednesday, September 15, 2021 Start: 4:00 PM
Location: Virtual 
Gérard Ben Arous Courant Institute 
MCAIM Colloquium 
Topological Complexity and Optimization of High Dimensional Random Functions 
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 16, 2021 Start: 5:30 PM
Location: 3866 East Hall * 
Som Phene University of Michigan 
Student Dynamics/Geometry Topology 
Black Hole Information and the Quantum Extremal Surface 
Friday, September 17, 2021 Start: 1:00 PM
Location:Online 
Nicholas Proudfoot University of Oregon 
Representation Stability 
Equivariant log concavity and representation stability 
Friday, September 17, 2021 Start: 3:00 PM
Location: ZOOM East Hall * 
Davoud Ataee Tarzanagh University of Michigan 
Applied Interdisciplinary Mathematics (AIM) 
Fair Structure Learning in Heterogeneous Graphical Models 
Friday, September 17, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Melissa ShermanBennet University of Michigan 
Combinatorics 
The m=2 amplituhedron and the hypersimplex 
Friday, September 17, 2021 Start: 3:00 PM
Location: 2866 East Hall 
Sridhar Venkatesh UM 
Student Algebraic Geometry 
Quotients in AG 
Friday, September 17, 2021 Start: 3:00 PM
Location: 1866 East Hall 
Nate Harman UM 
Learning Seminar in Representation Stability 
A survey of representation stability in characteristic p 
Friday, September 17, 2021 Start: 4:00 PM
Location: 2866 East Hall * 
Jessica Conrad University of Michigan 
Student AIM Seminar 
Lessons from Previous Epidemics: Understanding Space and Time 
Monday, September 20, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Peter Dillery University of Michigan 
RTG Seminar on Number Theory 
Rigid inner forms over function fields 
Monday, September 20, 2021 Start: 4:00 PM
Location: 3866 East Hall 
Amanda Schwartz UM 
Student Combinatorics 
Schubert Calculus Part 2: Schur Functions 
Monday, September 20, 2021 Start: 4:00 PM
Location: ZOOM ID: 922 9373 3366 Virtual * 
Jeffrey Oregero MSRI 
Integrable Systems and Random Matrix Theory 
[Cancelled; to be rescheduled]The focusing nonlinear Schrödinger equation on the circle: spectral theory, elliptic finitegap potentials, and soliton gases 
Monday, September 20, 2021 Start: 4:00 PM
Location: 4088 East Hall 
Alex Bauman UM 
RTG Representation Theory 
Highest weight theory 
Monday, September 20, 2021 Start: 5:00 PM
Location: 3866 EH * 
Han Le University of Michigan 
Student Analysis 
Tridiagonal random matrices (Part 2) 
Tuesday, September 21, 2021 Start: 3:00 PM
Location: 2866 EH * 
Calvin YostWolff UM 
Student Commutative Algebra 
What Makes a Complex Exact? 
Tuesday, September 21, 2021 Start: 4:00 PM
Location:1360 East Hall 
Joshua Greene Boston College 
Colloquium Series 
Peg problems 
Wednesday, September 22, 2021 Start: 2:30 PM
Location: 4088 East Hall 
Sunita Chepuri UM 
Learning Seminar in Algebraic Combinatorics 
A combinatorial introduction to Macdonald polynomials 
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 22, 2021 Start: 4:00 PM
Location: 1324 East Hall 
Qi Feng UM 
Financial/Actuarial Mathematics 
Signature Method for Option Pricing Problem With PathDependent Features 
Wednesday, September 22, 2021 Start: 4:00 PM
Location: 3866 East Hall 
Nattalie Tamam U Michigan 
RTG Seminar on Geometry, Dynamics and Topology 
Mixing of the BowenMargulisSullivan measure 
Thursday, September 23, 2021 Start: 4:00 PM
Location: 2866 East Hall 
Matthew HarrisonTrainor UM 
Logic 
The Tree of Tuples of a Structure 
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 23, 2021 Start: 5:30 PM
Location: 3866 East Hall * 
Malavika Mukundan University of Michigan 
Student Dynamics/Geometry Topology 
Orbifolds 
Friday, September 24, 2021 Start: 3:00 PM
Location: ZOOM East Hall * 
Thomas Fai Brandeis University 
Applied Interdisciplinary Mathematics (AIM) 
Stochastic model of flagellar length control and general principles of organelle size scaling 
Friday, September 24, 2021 Start: 3:00 PM
Location: 4088 East Hall 

Combinatorics 
Cancelled on account of illness 
Friday, September 24, 2021 Start: 3:00 PM
Location: 2866 East Hall 
James Hotchkiss UM 
Student Algebraic Geometry 
Hodge theory and numerical invariants of algebraic varieties 
Friday, September 24, 2021 Start: 3:00 PM
Location: 1866 East Hall 
Nick Wawrykow UM 
Learning Seminar in Representation Stability 
The Ordered Configuration Space of Open Disks on a Strip and Twisted Algebras (Part I) 
Friday, September 24, 2021 Start: 4:00 PM
Location: 3866 East Hall * 
Yuping Ruan U Michigan 
Geometry 
Filling minimality and boundary rigidity 
Friday, September 24, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Yueqiao Wu

Preprint Algebraic Geometry 
Seshadri constants and Kstability of Fano manifolds 
Monday, September 27, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Yifeng Huang University of Michigan 
RTG Seminar on Number Theory 
A generalization of a zeta function of CohenLenstra 
Monday, September 27, 2021 Start: 4:00 PM
Location: 3866 East Hall 
Scott Neville UM 
Student Combinatorics 
CC systems and vortexfree tournaments 
Monday, September 27, 2021 Start: 4:00 PM
Location: 3096 East Hall 
John Pardon Princeton 
Complex Analysis, Dynamics and Geometry 
Enough vector bundles on orbispaces 
Monday, September 27, 2021 Start: 4:00 PM
Location: ZOOM ID: 926 6491 9790 Virtual * 
Patrik Nabelek Oregon State University 
Integrable Systems and Random Matrix Theory 
Weakly Nonlinear Longwave Models and Solitons 
Monday, September 27, 2021 Start: 4:00 PM
Location: 4088 East Hall 
Calvin YostWolff UM 
RTG Representation Theory 
BorelWeilBott over C 
Monday, September 27, 2021 Start: 5:00 PM
Location: 3866 East Hall * 
Christopher Stith University of Michigan 
Student Analysis 
Lagrangians in PDE 
Tuesday, September 28, 2021 Start: 3:00 PM
Location: 2866 East Hall * 
Alexander Bauman UM 
Student Commutative Algebra 
Normal Rings 
Tuesday, September 28, 2021 Start: 4:00 PM
Location:1360 East Hall 
Evita Nestoridi Princeton University 
Colloquium Series 
Spectral techniques in Markov chain mixing 
Wednesday, September 29, 2021 Start: 2:30 PM
Location: 4088 East Hall 
Will Dana UM 
Learning Seminar in Algebraic Combinatorics 
The HOMFLYPT Polynomial of a Knot 
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, September 29, 2021 Start: 4:00 PM
Location: 1324 EH East Hall * 
Dominykas Norgilas UM 
Financial/Actuarial Mathematics 
A Potentialbased Construction of the Increasing Spermartingale Coupling 
Wednesday, September 29, 2021 Start: 4:00 PM
Location: 3866 East Hall 
Nattalie Tamam U M Michigan 
RTG Seminar on Geometry, Dynamics and Topology 
Equidistribution of horospherical flows 
Thursday, September 30, 2021 Start: 4:00 PM
Location: umich.zoom.us/j/98365676067 Virtual * 
Ruoci Sun Karlsruhe Institute of Technology 
Differential Equations 
Complete integrability of the BenjaminOno equation on the multisoliton manifolds 
Thursday, September 30, 2021 Start: 4:00 PM
Location: 2866 East Hall 
Iian Smythe UM 
Logic 
Parametrizing the Ramsey theory of vector spaces 
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, September 30, 2021 Start: 5:30 PM
Location: 3866 East Hall * 
Sayantan Khan University of Michigan 
Student Dynamics/Geometry Topology 
What is Quantum Unique Ergodicity? 
Friday, October 01, 2021 Start: 3:00 PM
Location: ZOOM East Hall * 
Richard Tsai University of Texas, Austin 
Applied Interdisciplinary Mathematics (AIM) 
The implicit boundary integral method 
Friday, October 01, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Terrence George University of Michigan 
Combinatorics 
Dimers and crossratio dynamics 
Friday, October 01, 2021 Start: 3:00 PM
Location: 2866 East Hall 
Swaraj Pande UM 
Student Algebraic Geometry 
Bend and Break 
Friday, October 01, 2021 Start: 3:00 PM
Location: 1866 East Hall 
Nick Wawrykow UM 
Learning Seminar in Representation Stability 
The Ordered Configuration Space of Open Disks on a Strip and Twisted Algebras (Part II) 
Friday, October 01, 2021 Start: 4:00 PM
Location: 3866 East Hall * 
Asaf Katz U M Michigan 
Geometry 
Disjointness between horospherical flows and nilflows. 
Friday, October 01, 2021 Start: 4:00 PM
Location: 2866 East Hall * 
Chuhao Sun University of Michigan 
Student AIM Seminar 
Optimal ergodic harvesting under ambiguity 
Friday, October 01, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Lukas Scheiwiller

Preprint Algebraic Geometry 
Integral padic cohomology theories for open and singular varieties 
Monday, October 04, 2021 Start: 3:00 PM
Location: Zoom Meeting ID: 933 4945 1111, Passcode: 994946 Virtual * 
Shubhodip Mondal University of Michigan 
RTG Seminar on Number Theory 
On padic de Rham cohomology 
Monday, October 04, 2021 Start: 4:00 PM
Location: https://umich.zoom.us/j/95460001042 Virtual * 
Hyunsuk Kim UM 
Student Combinatorics 
Symmetric functions and representation of symmetric groups 
Monday, October 04, 2021 Start: 4:00 PM
Location: 3096 East Hall 
Sahana Vasudevan MIT 
Complex Analysis, Dynamics and Geometry 
Triangulated surfaces in moduli space 
Monday, October 04, 2021 Start: 4:00 PM
Location: ZOOM ID: 926 6491 9790 Virtual * 
Fudong Wang University of Central Florida 
Integrable Systems and Random Matrix Theory 
A dbarsteepest descent analysis for the longtime asymptotic behavior of oscillatory RiemannHilbert problems 
Monday, October 04, 2021 Start: 4:00 PM
Location: Virtual * 
Andy Gordon UM 
RTG Representation Theory 
DeligneLusztig theory 
Wednesday, October 06, 2021 Start: 2:30 PM
Location: 4088 East Hall 
Katie Waddle UM 
Learning Seminar in Algebraic Combinatorics 
(q, t)Catalan combinatorics 
Wednesday, October 06, 2021 Start: 4:00 PM
Location: 1324 East Hall 
Donghan Kim UM 
Financial/Actuarial Mathematics 
Pathwise Generation of Trading Strategies. 
Wednesday, October 06, 2021 Start: 4:00 PM
Location: 3866 East Hall 
Martin Bobb U Michigan 
RTG Seminar on Geometry, Dynamics and Topology 
Divisible Sets and Projective Geometry of the Symmetric Space 
Wednesday, October 06, 2021 Start: 4:15 PM
Location: 4096 East Hall * 
Joe Waldron MSU 
Algebraic Geometry 
Purely inseparable Galois 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 07, 2021 Start: 5:30 PM
Location: 3866 East Hall * 
Christopher Zhang University of Michigan 
Student Dynamics/Geometry Topology 
Circle Homeomorphisms 
Friday, October 08, 2021 Start: 1:00 PM
Location:Online 
Aida Maraj UM 
Representation Stability 
Asymptotic Behaviours of Hierarchical Models 
Friday, October 08, 2021 Start: 3:00 PM
Location: ZOOM East Hall * 
Thomas Anderson University of Michigan 
Applied Interdisciplinary Mathematics (AIM) 
Volumetric fundamental solution techniques for inhomogeneous PDEs: numerical methods and applications 
Friday, October 08, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Christopher Fraser Michigan State 
Combinatorics 
Cluster combinatorics of SL(k) skein algebras in the presence of punctures 
Friday, October 08, 2021 Start: 3:00 PM
Location: 2866 East Hall 
Yueqiao Wu UM 
Student Algebraic Geometry 
Mori Dream Spaces 
Friday, October 08, 2021 Start: 3:00 PM
Location: 1866 East Hall 
Karol Koziol UM 
Learning Seminar in Representation Stability 
Quantum Groups I 
Friday, October 08, 2021 Start: 4:00 PM
Location: 3866 East Hall * 
Chris Connell Indiana University 
Geometry 
MeasureEntropy rigidity for RCDspaces 
Friday, October 08, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Sridhar Venkatesh

Preprint Algebraic Geometry 
Kodaira dimension and zeros of holomorphic oneforms, revisited 
Friday, October 08, 2021 Start: 4:00 PM
Location:2866 East Hall 
Som Phene University of Michigan 
MCAIM Graduate Seminar 
Black Hole Information and Mirror Symmetry 
Monday, October 11, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Alex Dobner University of Michigan 
RTG Seminar on Number Theory 
Zeta zeros in long and short intervals 
Monday, October 11, 2021 Start: 4:00 PM
Location: 3866 East Hall 
Will Dana

Student Combinatorics 
Parametrizing triangulations: the associahedron and the secondary polytope 
Monday, October 11, 2021 Start: 4:00 PM
Location: 3096 Virtual * 
Minsik Han Brown 
Complex Analysis, Dynamics and Geometry 
Arithmetic dynamics on the rational maps with nontrivial automorphisms 
Monday, October 11, 2021 Start: 4:00 PM
Location: ZOOM ID: 926 6491 9790 Virtual * 
Jeffrey Oregero MSRI 
Integrable Systems and Random Matrix Theory 
The focusing nonlinear Schrödinger equation on the circle: spectral theory, elliptic finitegap potentials, and soliton gases. 
Monday, October 11, 2021 Start: 4:00 PM
Location: 4088 East Hall 
Calvin YostWolff UM 
RTG Representation Theory 
Weil representation and representations of SL2Fq (algebraic construction) 
Monday, October 11, 2021 Start: 5:00 PM
Location: 3866 East Hall * 
Tejaswi Tripathi University of Michigan 
Student Analysis 
Totally Asymmetric Simple Exclusion Process 
Tuesday, October 12, 2021 Start: 3:00 PM
Location: 2866 East Hall * 
Karthik Ganapathy UM 
Student Commutative Algebra 
Equivariant Commutative Algebra 
Tuesday, October 12, 2021 Start: 4:00 PM
Location:1360 East Hall 
Yilin Wang MIT 
Colloquium Series 
How round is a Jordan curve? 
Wednesday, October 13, 2021 Start: 2:30 PM
Location: 4088 East Hall 
Yutong Li UM 
Learning Seminar in Algebraic Combinatorics 
HOMFLY(PT) polynomials II 
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 13, 2021 Start: 4:00 PM
Location: 1324 EH East Hall * 
Prakash Chakraborty UM 
Financial/Actuarial Mathematics 
Mean field control and finite agent approximation for regimeswitching jump diffusions 
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 14, 2021 Start: 5:30 PM
Location: 3866 East Hall * 
Reebhu Bhattacharyya University of Michigan 
Student Dynamics/Geometry Topology 
Symplectic Reduction 
Friday, October 15, 2021 Start: 3:00 PM
Location: ZOOM East Hall * 
Emanuel Gull University of Michigan, Physics 
Applied Interdisciplinary Mathematics (AIM) 
Nevanlinna analytical continuation 
Friday, October 15, 2021 Start: 3:00 PM
Location: 2866 East Hall 
Matthew Sawoski UM 
Student Algebraic Geometry 
Logic and Algebraic Geometry in The AxGrothendieck Theorem 
Friday, October 15, 2021 Start: 3:00 PM
Location: 1866 East Hall 
Ilia Nekrasov UM 
Learning Seminar in Representation Stability 
Quantum Groups II 
Friday, October 15, 2021 Start: 3:30 PM
Location: 3866 East Hall * 
Bradley Zykoski Michigan 
Geometry 
A polytopal decomposition of translation surfaces 
Friday, October 15, 2021 Start: 4:00 PM
Location: 2866 East Hall * 
Jack Wakefield University of Michigan 
Student AIM Seminar 
Approximate multistep reaction rates in spherical and cylindrical particles 
Friday, October 15, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Andy Jiang

Preprint Algebraic Geometry 
The relation between Grothendieck duality and Hochschild homology 
Monday, October 18, 2021 Start: 4:00 PM
Location: 3096 East Hall 
Fall Break

Complex Analysis, Dynamics and Geometry 
Have a great break! 
Tuesday, October 19, 2021

no talk

Colloquium Series 
Fall break 
Wednesday, October 20, 2021 Start: 2:30 PM
Location: 4088 East Hall 
Terrence George UM 
Learning Seminar in Algebraic Combinatorics 
Parking functions and LLT polynomials 
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, October 20, 2021 Start: 4:00 PM
Location: 1324 East Hall 
Shuoqing Deng UM 
Financial/Actuarial Mathematics 
Entropy martingale optimal transport: general duality in discrete time 
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, October 21, 2021 Start: 5:30 PM
Location: 3866 East Hall * 
Max Lahn University of Michigan 
Student Dynamics/Geometry Topology 
Combinatorics of Curves on Surfaces 
Friday, October 22, 2021 Start: 3:00 PM
Location: ZOOM East Hall * 
Viktoria Taroudaki Eastern Washington University 
Applied Interdisciplinary Mathematics (AIM) 
Deblurring and denoising images and acoustical signals with optimization and statistics 
Friday, October 22, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Shiliang Gao University of Illinois 
Combinatorics 
NewellLittlewood numbers 
Friday, October 22, 2021 Start: 3:00 PM
Location: 2866 East Hall 
Brad Dirks UM 
Student Algebraic Geometry 
Dmodules on affine space 
Friday, October 22, 2021 Start: 3:00 PM
Location: 1866 East Hall 
Karthik Ganapathy UM 
Learning Seminar in Representation Stability 
Prime ideals in twisted commutative algebras 
Friday, October 22, 2021 Start: 4:00 PM
Location: Virtual * 
Ondrej Maxian New York University 
Student AIM Seminar 
Simulating the hydrodynamics of transiently crosslinked actin networks 
Friday, October 22, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Gleb Terentiuk

Preprint Algebraic Geometry 
An obstruction to lifting to characteristic 0 
Monday, October 25, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Patrick Daniels University of Michigan 
RTG Seminar on Number Theory 
Prismatic higher displays and Fgauges 
Monday, October 25, 2021 Start: 4:00 PM
Location: 3096 East Hall 
Malavika Mukundan U(M) 
Complex Analysis, Dynamics and Geometry 
Dynamical Embeddings 
Monday, October 25, 2021 Start: 4:00 PM
Location: ZOOM ID: 926 6491 9790 Virtual * 
Brian Simanek Baylor University 
Integrable Systems and Random Matrix Theory 
Universality Limits for Orthogonal Polynomials 
Monday, October 25, 2021 Start: 4:00 PM
Location: 4088 East Hall 
Ilia Nekrasov UM 
RTG Representation Theory 
Quantum sl2 and knots 
Monday, October 25, 2021 Start: 5:00 PM
Location: 3866 East Hall * 
Som Phene University of Michigan 
Student Analysis 
Modular Mirror symmetry for no invariant Measures on a Lie group 
Tuesday, October 26, 2021 Start: 3:00 PM
Location: 2866 East Hall * 
Shelby Cox University of Michigan, Ann Arbor 
Student Commutative Algebra 
Introduction to Valuations 
Tuesday, October 26, 2021 Start: 4:00 PM
Location:1360 East Hall 
Akshay Venkatesh Institute for Advanced Study 
Colloquium Series 
Rainich Lecture #1: 3987^{12} + 4365^{12} = 4472^{12} (almost) 
Wednesday, October 27, 2021 Start: 2:30 PM
Location: 4088 EH * 
Amanda Schwartz UM 
Learning Seminar in Algebraic Combinatorics 
Rpolynomials 
Wednesday, October 27, 2021 Start: 4:00 PM
Location:1324 East Hall 
Akshay Venkatesh Institute for Advanced Study 
Special Events 
Rainich Lecture #2: Symplectic LFunctions and Their Topological Analogues 
Thursday, October 28, 2021 Start: 3:00 PM
Location: 3866 East Hall 
Matthew Stoffregen Michigan State University 
Topology 
Homology Cobordism and Involutive Floer homology 
Thursday, October 28, 2021 Start: 4:00 PM
Location:1324 East Hall 
Akshay Venkatesh Institute for Advanced Study 
Special Events 
Rainich Lecture #3: Relative Langlands Duality 
Thursday, October 28, 2021 Start: 4:00 PM
Location: 2866 East Hall 
Andreas Blass UM 
Logic 
Tukey Ordering and Forcing Preservation of Ultrafilters 
Thursday, October 28, 2021 Start: 5:30 PM
Location: 3866 East Hall * 
Schinella D'Souza University of Michigan 
Student Dynamics/Geometry Topology 
Polynomial Matings 
Friday, October 29, 2021 Start: 12:00 PM
Location:Online 
Arthur Bik Max Planck 
Representation Stability 
(NONSTANDARD TIME) Strength of polynomials 
Friday, October 29, 2021 Start: 3:00 PM
Location: ZOOM East Hall * 
TBA

Applied Interdisciplinary Mathematics (AIM) 
TBA 
Friday, October 29, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Will Dana University of Michigan 
Combinatorics 
Stability of stretched root systems, root posets, and shards 
Friday, October 29, 2021 Start: 3:00 PM
Location: 2866 East Hall 
Sanal Shivaprasad UM 
Student Algebraic Geometry 
Moduli of Curves 
Friday, October 29, 2021 Start: 3:00 PM
Location: 1866 East Hall 
Bobby Laudone UM 
Learning Seminar in Representation Stability 
Noetherianity and twisted commutative algebras 
Friday, October 29, 2021 Start: 4:00 PM
Location: 3866 East Hall * 
Ilesnami Adeboye Wesleyan University 
Geometry 
A volume bound for orbifold quotients of symmetric spaces 
Friday, October 29, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Jonghyun Lee

Preprint Algebraic Geometry 
Compact Kähler manifolds with no projective specialization 
Friday, October 29, 2021 Start: 4:00 PM
Location:2866 East Hall 
Preetham Mohan University of Michigan 
MCAIM Graduate Seminar 
A Brief History of Quantum Learning Theory 
Monday, November 01, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Nate Harman University of Michigan 
RTG Seminar on Number Theory 
Admissible Representations of InfiniteRank Arithmetic Groups 
Monday, November 01, 2021 Start: 4:00 PM
Location: 3866 East Hall 
Teresa Yu UM 
Student Combinatorics 
Introduction to Gröbner Bases 
Monday, November 01, 2021 Start: 4:00 PM
Location: 3096 East Hall 
Ethan Farber Boston College 
Complex Analysis, Dynamics and Geometry 
A Farey tree structure on a family of pseudoAnosov braids 
Monday, November 01, 2021 Start: 4:00 PM
Location: ZOOM ID: 926 6491 9790 Virtual * 
Maxim Derevyagin University of Connecticut 
Integrable Systems and Random Matrix Theory 
Discrete Darboux Transformations And Orthogonal Polynomials 
Monday, November 01, 2021 Start: 4:00 PM
Location: 4088 East Hall 
Linh Truong UM 
RTG Representation Theory 
Quantum sl2 and knots 
Tuesday, November 02, 2021 Start: 3:00 PM
Location: 2866 East Hall * 
Alapan Mukhopadhyay University of Michigan, Ann Arbor 
Student Commutative Algebra 
Singularities in Positive Characteristic 
Tuesday, November 02, 2021 Start: 4:00 PM
Location:1360 East Hall 
Han Huang Georgia Tech 
Colloquium Series 
Sumner Myers Award Lecture 
Wednesday, November 03, 2021 Start: 2:30 PM
Location: 4088 East Hall 
George Seelinger UM 
Learning Seminar in Algebraic Combinatorics 
The Shuffle Theorem 
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 03, 2021 Start: 4:00 PM
Location:B844 East Hall 
Christopher Rycroft Harvard University 
MCAIM Colloquium 
Uncovering the Rules of Crumpling with a DataDriven Approach 
Thursday, November 04, 2021 Start: 3:00 PM
Location: 3866 East Hall 
Asaf Katz University of Michigan 
Topology 
Equidistribution of large spheres in horospheres 
Thursday, November 04, 2021 Start: 4:00 PM
Location: 2866 East Hall 
Andreas Blass UM 
Logic 
Tukey ordering and forcing preservation of ultrafilters 
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 
Thursday, November 04, 2021 Start: 5:30 PM
Location: 3866 East Hall * 
Bradley Zykoski University of Michigan 
Student Dynamics/Geometry Topology 
Fundamental Groups and Flat Connections 
Friday, November 05, 2021 Start: 3:00 PM
Location: ZOOM East Hall * 
Jason Kaye Flatiron Institute 
Applied Interdisciplinary Mathematics (AIM) 
Efficient numerical algorithms for simulating quantum dynamics 
Friday, November 05, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Claudia Yun Brown University 
Combinatorics 
Homology representations of compactified configurations on graphs 
Friday, November 05, 2021 Start: 3:00 PM
Location: 2866 East Hall 
Andy Gordon UM 
Student Algebraic Geometry 
An Introduction to Intersection Theory 
Friday, November 05, 2021 Start: 3:00 PM
Location: 1866 East Hall 
Jenny Wilson UM 
Learning Seminar in Representation Stability 
Representation Stability for Torelli Groups I 
Friday, November 05, 2021 Start: 4:00 PM
Location: 3866 East Hall * 
Paul Apisa U Michigan 
Geometry 
Billiards in Right Triangles and Dynamics on Moduli Space! 
Friday, November 05, 2021 Start: 4:00 PM
Location: Virtual * 
Scott Weady New York University 
Student AIM Seminar 
Anomalous natural convective sculpting of melting ice 
Friday, November 05, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Swaraj Pande

Preprint Algebraic Geometry 
Saturation bounds for smooth varieties 
Monday, November 08, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Stephanie Chan University of Michigan 
RTG Seminar on Number Theory 
Integral points on elliptic curves 
Monday, November 08, 2021 Start: 4:00 PM
Location: 3866 East Hall 
Karthik Ganapathy UM 
Student Combinatorics 
Noetherianity of posets 
Monday, November 08, 2021 Start: 4:00 PM
Location: on Zoom Virtual * 
Caroline Davis Indiana 
Complex Analysis, Dynamics and Geometry 
Dynamical Gaskets 
Tuesday, November 09, 2021 Start: 4:00 PM
Location:virtual 
Geordie Williamson University of Sydney 
Colloquium Series 
Number Theory RTG Lectures I: Parity sheaf methods in representation theory 
Wednesday, November 10, 2021 Start: 2:30 PM
Location: 4088 East Hall 
Thomas Lam UM 
Learning Seminar in Algebraic Combinatorics 
KhovanovRozansky link homology via Soergel bimodules 
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 10, 2021 Start: 4:00 PM
Location: 1324 East Hall 
Chuhao Sun UM 
Financial/Actuarial Mathematics 
Optimal ergodic harvesting under ambiguity 
Wednesday, November 10, 2021 Start: 4:00 PM
Location: virtual * 
Geordie Williamson University of Sydney 
Group, Lie and Number Theory 
Number Theory RTG Lectures II 
Wednesday, November 10, 2021 Start: 4:00 PM
Location:B844 and on Zoom East Hall 
Jacob Bedrossian University of Maryland 
MCAIM Colloquium 
Hydrodynamic stability at high Reynolds number 
Thursday, November 11, 2021 Start: 1:00 PM
Location:4866 East Hall 

IBL Workshops/Lectures 
IBL Lunch 
Thursday, November 11, 2021 Start: 4:00 PM
Location: virtual * 
Geordie Williamson University of Sydney 
Group, Lie and Number Theory 
Number Theory RTG Lectures III 
Thursday, November 11, 2021 Start: 4:00 PM
Location: 3866 East Hall * 
Francis Bonahon University of Southern California 
Topology 
Quantum invariants of surface diffeomorphisms and 3dimensional hyperbolic geometry 
Thursday, November 11, 2021 Start: 4:00 PM
Location: 2866 East Hall 
Matthew HarrisonTrainor UM 
Logic 
Boosting the information density of binary strings 
Thursday, November 11, 2021 Start: 5:30 PM
Location: 3866 East Hall * 
Christopher Stith University of Michigan 
Student Dynamics/Geometry Topology 
Black hole spacetimes and closed trapped surfaces 
Friday, November 12, 2021 Start: 3:00 PM
Location: ZOOM East Hall * 
Jennifer Rieser Emory University 
Applied Interdisciplinary Mathematics (AIM) 
Phases,geometry, and scales: bridging micro to macro in animal locomotion 
Friday, November 12, 2021 Start: 3:00 PM
Location: 4088 East Hall 

Combinatorics 
Cancelled on account of illness 
Friday, November 12, 2021 Start: 3:00 PM
Location: 2866 East Hall 
Gary Hu UM 
Student Algebraic Geometry 
Abelian Varieties 
Friday, November 12, 2021 Start: 3:00 PM
Location: 1866 East Hall 
Kyu Jun UM 
Learning Seminar in Representation Stability 
TBA 
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 
Friday, November 12, 2021 Start: 4:00 PM
Location:2866 East Hall 
Guanhua Sun University of Michigan 
MCAIM Graduate Seminar 
Why do we sleep: Three Synaptic Hypothesis 
Monday, November 15, 2021 Start: 3:00 PM
Location: 4088 East Hall 
David Schwein University of Cambridge 
RTG Seminar on Number Theory 
Digging up root numbers 
Monday, November 15, 2021 Start: 4:00 PM
Location: 3096 East Hall 
Danny Stoll U(M) 
Complex Analysis, Dynamics and Geometry 
Geometry and Degeneration of Cubic Polynomial Loci 
Monday, November 15, 2021 Start: 4:00 PM
Location: ZOOM ID: 926 6491 9790 Virtual * 
Christopher Lustri Macquarie University 
Integrable Systems and Random Matrix Theory 
Exponential Asymptotics in Discrete Equations 
Monday, November 15, 2021 Start: 4:00 PM
Location: 3315 Mason Hall * 
Guchuan Li University of Michigan 
Algebraic Topology 
RO(G) periodicity and Picard groups in K(n)local categories 
Monday, November 15, 2021 Start: 4:00 PM
Location: 4088 East Hall 
Guanjie Huang UM 
RTG Representation Theory 
Representations of SL2(padic) 
Monday, November 15, 2021 Start: 5:00 PM
Location: 3866 East Hall * 
Katja Vassilev University of Michigan 
Student Analysis 
Using Noether's Theorem to find conserved quantities of NLS 
Tuesday, November 16, 2021 Start: 3:00 PM
Location: 2866 East Hall * 
Teresa Yu University of Michigan, Ann Arbor 
Student Commutative Algebra 
Gr\"{o}bner bases and their applications 
Tuesday, November 16, 2021 Start: 4:00 PM
Location:1360 East Hall 
Yu Deng University of Southern California 
Colloquium Series 
Randomness in nonlinear dispersive equations 
Wednesday, November 17, 2021 Start: 2:30 PM
Location: 4088 East Hall 
Sunita Chepuri UM 
Learning Seminar in Algebraic Combinatorics 
Examples of KhovanovRozansky homology 
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, November 17, 2021 Start: 4:00 PM
Location: 3866 East Hall 
Nattalie Tamam U Michigan 
RTG Seminar on Geometry, Dynamics and Topology 
Distribution of lattice orbits and ideas of generalization to discrete ones 
Thursday, November 18, 2021 Start: 3:00 PM
Location: 3866 East Hall 
Chris Gerig SCGP, Stony Brook 
Topology 
Probing homotopy 4spheres using "nearly" symplectic geometry 
Thursday, November 18, 2021 Start: 4:00 PM
Location: 4088 East Hall 
Yu Deng University of Southern California 
Differential Equations 
Mathematical wave turbulence and propagation of chaos 
Thursday, November 18, 2021 Start: 4:00 PM
Location: 2866 East Hall 
Matthew HarrisonTrainor UM 
Logic 
Boosting the information density of binary strings 
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, November 18, 2021 Start: 5:30 PM
Location: 3866 East Hall * 
Shabarish Chenakkod University of Michigan 
Student Dynamics/Geometry Topology 
Translation Surfaces and Periods of Meromorphic Differentials 
Friday, November 19, 2021 Start: 1:00 PM
Location: Virtual 
Wee Liang Gan UCRiverside 
Representation Stability 
Bounding regularity of OImodules 
Friday, November 19, 2021 Start: 3:00 PM
Location: ZOOM East Hall * 
M. Nick Moore US Naval Academy 
Applied Interdisciplinary Mathematics (AIM) 
Fluids and structures interacting: flapping wings and karst pinnacles 
Friday, November 19, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Sunita Chepuri University of Michigan 
Combinatorics 
kPositivity of the Dual Canonical Basis 
Friday, November 19, 2021 Start: 3:00 PM
Location: 2866 East Hall 
Lena Ji UM 
Student Algebraic Geometry 
Rationality of Algebraic Varieties 
Friday, November 19, 2021 Start: 3:00 PM
Location: 1866 East Hall 
Nate Harman UM 
Learning Seminar in Representation Stability 
TBA 
Friday, November 19, 2021 Start: 3:30 PM
Location: 3866 East Hall * 
Karl Winsor Harvard 
Geometry 
Dynamics of absolute period foliations (time: 3:30pm) 
Friday, November 19, 2021 Start: 4:00 PM
Location: 2866 East Hall * 
Oliver Knitter University of Michigan 
Student AIM Seminar 
Quantuminspired heuristic solvers for largescale linear systems 
Friday, November 19, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Alapan Mukhopadhyay

Preprint Algebraic Geometry 
Lim Ulrich sequence: proof of Lech's conjecture for graded base rings 
Monday, November 22, 2021 Start: 4:00 PM
Location: 3866 East Hall 
Various Speakers UM 
Student Combinatorics 
Lightning Talks! 
Monday, November 22, 2021 Start: 4:00 PM
Location: ZOOM ID: 926 6491 9790 Virtual * 
Oleg Lisovyi Université de Tours 
Integrable Systems and Random Matrix Theory 
From Painlevé functions to Heun accessory parameters and back 
Monday, November 22, 2021 Start: 4:00 PM
Location: 3315 Mason Hall * 
Sophie Kriz University of Michigan 
Algebraic Topology 
Completion and counterexamples to the homotopical evenness conjecture for equivariant complex cobordism 
Monday, November 22, 2021 Start: 5:15 PM
Location:4096 East Hall Virtual 
Nicole Louie University of Wisconsin 
Special Events 
Inaugural Invited Lecture on Justice in Mathematics Education: Mathematics Education and Pulls Toward (In)Justice 
Monday, November 29, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Karol Koziol University of Michigan 
RTG Seminar on Number Theory 
LocalGlobal Compatibility 
Monday, November 29, 2021 Start: 4:00 PM
Location: 3096 East Hall 
Alex Kapiamba U(M) 
Complex Analysis, Dynamics and Geometry 
Complex polynomial vector fields and the cubic bifurcation locus 
Monday, November 29, 2021 Start: 4:00 PM
Location: ZOOM ID: 926 6491 9790 Virtual * 
Manuela Girotti Saint Mary's University 
Integrable Systems and Random Matrix Theory 
Asymptotic Analysis of the Interaction Between a Soliton and a Regular Gas of Solitons (a.k.a. Gulliver and the Lilliputians) 
Monday, November 29, 2021 Start: 4:00 PM
Location: 4088 East Hall 
Havi Ellers UM 
RTG Representation Theory 
Representations of SL2(R) 
Monday, November 29, 2021 Start: 5:00 PM
Location: 3866 East Hall * 
Ahmad Barhoumi University of Michigan 
Student Analysis 
Orthogonal polynomials with respect to complexvalued weights 
Tuesday, November 30, 2021 Start: 3:00 PM
Location: 2866 East Hall * 
Anna Brosowsky University of Michigan, Ann Arbor 
Student Commutative Algebra 
Cluster Algebras 
Tuesday, November 30, 2021 Start: 4:00 PM
Location:virtual 
Hong Wang UCLA 
Colloquium Series 
Projection theorems and applications 
Wednesday, December 01, 2021 Start: 2:30 PM
Location: 4088 East Hall 
Nir Gadish UM 
Learning Seminar in Algebraic Combinatorics 
Towards computation of torus knot homology 
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 01, 2021 Start: 4:00 PM
Location: 1324 East Hall 
Ethan Zell UM 
Financial/Actuarial Mathematics 
Finitestate discounted and ergodic mean field games 
Wednesday, December 01, 2021 Start: 4:00 PM
Location: 3866 East Hall 
Asaf Katz U Michigan 
RTG Seminar on Geometry, Dynamics and Topology 
Introduction to Margulis' inequalities. 
Thursday, December 02, 2021 Start: 3:00 PM
Location: Virtual * 
Matthew Hedden Michigan State University 
Topology 
On Murasugi sum and knot Floer homology 
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 02, 2021 Start: 5:30 PM
Location: 3866 East Hall * 
Urshita Pal University of Michigan 
Student Dynamics/Geometry Topology 
Braid Groups 
Friday, December 03, 2021 Start: 3:00 PM
Location: ZOOM East Hall * 
Youngsoo Choi LLNL 
Applied Interdisciplinary Mathematics (AIM) 
Physicsconstrained datadriven methods for accurately accelerating simulations 
Friday, December 03, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Bill Fulton University of Michigan 
Combinatorics 
Degeneracy Loci and Backstable Schubert Polynomials 
Friday, December 03, 2021 Start: 3:00 PM
Location: 2866 East Hall 
Alapan Mukhopadhyay UM 
Student Algebraic Geometry 
Elliptic Curves 
Friday, December 03, 2021 Start: 3:00 PM
Location: 1866 East Hall 
Jenny Wilson UM 
Learning Seminar in Representation Stability 
Representation Stability for Torelli Groups II 
Friday, December 03, 2021 Start: 3:30 PM
Location: 3866 East Hall * 
Bena Tshishiku Brown 
Geometry 
Convex cocompact subgroups of the Goeritz group 
Friday, December 03, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Lena Ji

Preprint Algebraic Geometry 
Restrictions on rational surfaces lying in very general hypersurfaces 
Monday, December 06, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Yuan Liu University of Michigan 
RTG Seminar on Number Theory 
Nonabelian CohenLenstra heuristics in presence of roots of unity 
Monday, December 06, 2021 Start: 4:00 PM
Location: 3866 East Hall 
Mia Smith UM 
Student Combinatorics 
The Zarankiewicz Problem 
Monday, December 06, 2021 Start: 4:00 PM
Location: Zoom Virtual * 
Khashayar Filom U(M) 
Complex Analysis, Dynamics and Geometry 
On the rank of the Thurston pullback map 
Monday, December 06, 2021 Start: 4:00 PM
Location: ZOOM ID: 926 6491 9790 Virtual * 

Integrable Systems and Random Matrix Theory 
ISRMT Holiday Edition! 
Monday, December 06, 2021 Start: 4:00 PM
Location: 4088 East Hall 
Carsten Peterson UM 
RTG Representation Theory 
Dynamics related to SL2(R) 
Tuesday, December 07, 2021 Start: 3:00 PM
Location: 2866 East Hall * 
Jonghyun Lee University of Michigan, Ann Arbor 
Student Commutative Algebra 
The AuslanderBuchsbaum formula via derived categories 
Tuesday, December 07, 2021 Start: 4:00 PM
Location:virtual 
Will Sawin Columbia University 
Colloquium Series 
Finite quotients of 3manifold groups 
Tuesday, December 07, 2021 Start: 5:30 PM
Location:Lower Math Atrium East Hall 

Special Events 
LoG(M) Poster Session 
Wednesday, December 08, 2021 Start: 2:30 PM
Location: 4088 East Hall 
George Seelinger UM 
Learning Seminar in Algebraic Combinatorics 
The complexes for computing some torus knot homology 
Wednesday, December 08, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Enrica Mazzon University of Michigan 
Algebraic Geometry 
Higher Fano manifolds 
Wednesday, December 08, 2021 Start: 4:00 PM
Location:B844 East Hall 
James Stokes Flatiron Institute, Simons Foundation 
Special Events 
Joint MCAIM / MICDE Talk: Geometry and Numerics of Variational Quantum Algorithms and Classical Counterparts 
Thursday, December 09, 2021 Start: 4:00 PM
Location:1324 East Hall 
Sarah Peluse Princeton/IAS 
Colloquium Series 
Polynomial and multidimensional configurations in dense sets 
Thursday, December 09, 2021 Start: 4:00 PM
Location: 2866 East Hall 
Nate Harman UM 
Logic 
Ultraproducts and Deligne's Interpolation Categories 
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, December 09, 2021 Start: 5:30 PM
Location: 3866 East Hall * 
Ekaterina Shchetka University of Michigan 
Student Dynamics/Geometry Topology 
What Are Lyapunov Exponents, and Why Do They Matter? 
Friday, December 10, 2021 Start: 1:00 PM
Location:Online 
Inna EntovaAizenbud Ben Gurion University 
Representation Stability 
TBA 
Friday, December 10, 2021 Start: 3:00 PM
Location: 4088 East Hall 
Sarah Peluse Princeton University 
Combinatorics 
Entries in the character table of the symmetric group divisible by primes 
Friday, December 10, 2021 Start: 3:00 PM
Location: 2866 East Hall 
Saket Shah UM 
Student Algebraic Geometry 
Cox rings and applications to Mukai's counterexample of Hilbert's 14th problem 
Friday, December 10, 2021 Start: 3:00 PM
Location: 1866 East Hall 
Bobby Laudone UM 
Learning Seminar in Representation Stability 
Grobner methods in rep stability 
Friday, December 10, 2021 Start: 4:00 PM
Location: 4096 East Hall 
Mirko Mauri

Preprint Algebraic Geometry 
Seshadri's criterion and openness of projectivity 
Wednesday, December 15, 2021 Start: 4:00 PM
Location: 1360 East Hall * 
NIng Ning UM Stat 
Financial/Actuarial Mathematics 
Highdimensional Generalized Stochastic Volatility Models 