# Seminars and Working Groups

## Geometry and Topology Seminar - Organized by Julien Keller and Duncan McCoy

**Normally the Seminar is held Fridays at 11:00 AM in room PK-5115, Président-Kennedy Building, UQAM. All changes are indicated. To attend virtually, here is the link: https://uqam.zoom.us/j/98999725241**

- November 15, 2024 == Yannick Sire, Johns Hopkins

*Geometric measure of nodal, critical and singular sets for solutions of degenerate equations* - November 8, 2024 == Bruno de Oliveira, University of Miami

*Chern numbers ratios of surfaces with big cotangent bundle* - October 25, 2024 == Freid Tong, University of Toronto

*Complete Calabi-Yau metrics and optimal transport problems* - October 18, 2024 == Chris Kottke, New College of Florida

*Geometric analysis on quasi-fibered boundary (QFB) manifolds* - October 4, 2024 == Julien Paupert, Arizona State University.

*Complex hyperbolic and projective deformations of Kleinian groups* - September 27, 2024 == Nathaniel Sagman, Université du Luxembourg

*Labourie’s conjecture and Higgs bundles at high energy* - September 13, 2024 == Frédéric Rochon, UQAM

*Warped quasi-asymptotically conical Calabi-Yau metrics* - September 6, 2024 == Anna Parlak, UC Davis

*Faces of the Thurston norm ball dynamically represented by multiple distinct flows*

## Geometric Group Theory Seminar - Organized by William Chong, Chris Karpinski, Piotr Przytycki and Dani Wise

**The seminar is held on Wednesdays at 4:00 PM in 920 Burnside Hall, McGill**

- November 6, 2024 == Paige Hillen, UC Santa Barbara

*Latent symmetry of graphs and stretch factors in Out(Fn)* - October 31, 2024 == Catherine Pfaff, Institute for Advanced Study & Queen’s University

*Train track automata for outer automorphisms of free groups and geodesics in outer space* - October 23, 2024 == Amy Herron, University at Buffalo

*Triangle Presentations in ~A*_{2}Bruhat-Tits Buildings - October 9, 2024 == Bojun Zhao, UQAM

*Reconstruction of Anosov flows from infinity* - October 2, 2024 == Katherine Goldman, McGill University

*Curvature of Shephard groups* - September 25, 2024 == Jean Pierre Mutanguha, McGill University

*The dynamics of free group endomorphisms* - September 18, 2024 == Changjie Chen, Université de Montréal

*Morse functions on the moduli space of hyperbolic surfaces* - September 11, 2024 == Zachary Munro, Technion - Israel Institute of Technology

*A Coarse Geometric Obstruction to Cubulation*

## CIRGET Junior Seminar - Organized by Giacomo Bascape, Egor Morozov, Kelvin Ritland and Chenxi Yin

**The seminar is held on Tuesdays at 11:00 am, PK-5675, UQAM**

- November 5, 2024 == Habib Alizadeh, Université de Montréal

*A few topics in Symplectic Geometry* - October 29, 2024 == Zakaria Baammi, Université de Montréal

*La chirurgie de Fintushel Stern sur une variété de dimension 4 le long d’un nœud K* - October 22, 2024 == Bart Syroka, McGill

*Balanced metrics on 6-manifolds of cohomogeneity one* - October 8, 2024 == Giacomo Bascape, UQAM

*3-manifolds and SU(2)-representations* - October 1, 2024 == Xia Xiao, UQAM

*Canonical metrics (e.g., constant scalar curvature Kähler metrics) on Riemann surfaces*

## Algebraic Geometry Seminar - Organized by Brent Pym, Jake Levinson, Steven Lu and Joel Kamnitzer

**The seminar is held on Wednesdays at 3:00 pm, PK-5675, UQAM**

- November 6, 2024 == Bruno de Oliveira, University of Miami

*Canonical singularities and surfaces with big cotangent bundle* - October 30, 2024 == Dennis Gaitsgory, Max Planck Institute

*Algebro-geometric version of the Fargues-Scholze Bun*_{G} - October 23, 2024 == Leonid Rybnikov, Université de Montréal

*Cactus flower curves, integrable systems, and crystals* - October 9, 2024 == Jenna Rajchgot, McMaster University

*Determinants, Pfaffians, symmetric quivers, and symmetric varieties* - September 25, 2024 == Artem Kalmykov, McGill University

*A tale of an R-matrix* - September 11, 2024 == Mike Roth, Queen’s University

*r-point Seshadri constants and the solution to the symplectic packing problem for P*^{1}x P^{1} - September 4, 2024 == Tudor Pădurariu, CNRS-Université Pierre et Marie Curie-Université Paris Diderot

*Coherent sheaves on the commuting stack*

## Symplectic Seminar

**The Symplectic Zoominar, co-organized with Princeton/IAS, Tel Aviv and Paris, meets on Fridays at 9:15. The local Symplectic seminar is held on Fridays at 1:30 PM at the CRM, room 4336.**

- October 11, 2024 == Adi Dickstein, Tel Aviv University

*Symplectic topology and ideal-valued measures* - October 4, 2024 == Zihong Chen, MIT

*The exponential type conjecture for quantum connections* - September 20, 2024 == Michael Brandenbursky, Ben-Gurion University

*The C*^{0}-gap between entropy-zero and autonomous Hamiltonian diffeomorphisms of surfaces

## Geometric Analysis Seminar - Organized by Pengfei Guan, Joshua Flynn and Jérôme Vétois

**The seminar is held on Tuesdays at 2:30 PM in Burnside 1205, McGill**