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.
- May 29, 2026 == Bob Oliver, Université Sorbonne Paris Nord
The local structure of finite groups and of their classifying spaces - May 8, 2026 == Qi Yao, Stony Brook
TBA - May 1, 2026 == Niky Kamran, McGill
Logarithmic stability in the inverse Steklov problem on warped products - April 24, 2026 == Mike Miller Eismeier, University of Vermont
TBA - April 17, 2026 == Hans Boden, McMaster University
Mock Seifert matrices and concordance of virtual knots - Wednesday, April 15, 2026 at 2:00 pm == Nathaniel Sagman, University of North Carolina
The non-abelian Hodge correspondence and its holomorphic avatar - March 27, 2026 == Yu-Chi Hou, University of Maryland
Kähler Quantization in Degenerate Setting - March 20, 2026 == Charlie Cifarelli, Stony Brook University
K-polystability of asymptotically conical Kähler-Ricci shrinkers - March 13, 2026 == Mauricio Bustamante, Universidad Católica de Chile
Strict hyperbolization of flat manifolds - February 27, 2026 == Ronan Conlon, UT Dallas
On Toric Shrinking Gradient Kähler-Ricci Solitons - February 20, 2026 == Robert Harris, UQAM
Recipes for exotic definite 4-manifolds - February 13, 2026 == Tyrone Ghaswala, Waterloo
Big mapping class groups and uniqueness of Polish structures - January 30, 2026 == Chenxi Yin, UQAM
Relative uniform Yau-Tian-Donaldson correspondence for projective bundles over a curve - January 16, 2026 == Jérôme Vétois, McGill
Nonexistence of extremals for the second conformal eigenvalue in low dimensions - December 5, 2025 == Junsheng Zhang, NYU Courant
Diameter lower bounds for the Kähler–Ricci flow at finite-time singularities - November 28, 2025 == Tristan Collins, University of Toronto
Complete Calabi-Yau Manifolds and Optimal Transportation - November 21, 2025 == Shi-Kai Chiu, University of California, Irvine
Lagrangian submanifolds from tropical-like data - November 17, 2025 at 2:00 pm, room PK-5675 == Steven Rayan, University of Saskatchewan
Hyperbolic Band Structures and Moduli Spaces - November 7, 2025 == Octav Cornea, Université de Montréal
Approximability and Gromov width of Lagrangians - October 24, 2025 == Christophe Mourougane, Université de Rennes
Jet differentials and applications - October 17, 2025 == Dylan Cant, Université de Montréal
Equivariant quantum cohomology for Lagrangian submanifolds - October 3, 2025 == Mike Roth, Queen’s
Reduced Čech complexes and computing higher direct images under toric fibrations - September 19, 2025 == Changjie Chen, Université de Montréal
Morse theory on moduli spaces - September 5, 2025 == Cameron Gordon, Univ. of Texas, Austin
The Unknotting Problem for Surfaces in the 4-sphere
Geometric Group Theory Seminar - Organized by William Chong, Katherine Goldman, Christopher Karpinski, Carl Kristof-Tessier, Jean Pierre Mutanguha and Piotr Przytycki
The seminar is held on Wednesdays at 4:00 PM in 1104 Burnside Hall, McGill
- April 8, 2026 == Jean Pierre Mutanguha, McGill
Canonical decompositions of free-by-cyclic groups - April 1, 2026 == Camille Lupien, McGill
Bounded dynamics on Outer Space - March 25, 2026 == Marco Linton, ICMAT
Characterising local quasi-convexity - March 18, 2026 == Ethan Dlugie, Brown University
Truncated Braid Groups and Platonic Solids - March 11, 2026 == Inhyeok Choi, Korea Institute for Advanced Study
Random subgraphs of the mapping class group - February 25, 2026 == Mauricio Bustamante, Universidad Católica de Chile
The Euler class of big mapping class groups - February 18, 2026 == Ekaterina Rybak, Vanderbilt University
Mixed identities and boundary dynamics in weakly hyperbolic groups - February 11, 2026 == Bobby Miraftab, Carleton University
From Geometric Group Theory to Structural Graph Theory - February 4, 2026 == Dani Wise, Weizmann Institute of Science
Some thoughts about diffuse groups - January 28, 2026 == Chris Karpinski, McGill
The conjugacy problem for Dehn twist automorphisms of groups - January 21, 2026 == William Chong, McGill
No Growth Gap for Free Products of Some Residually Finite Groups - January 14, 2026 == Katherine Goldman, McGill
Curvature of located complexes - December 10, 2025 == Jon McCammond, UC Santa Barbara
Reflection groups beyond Coxeter groups - November 26, 2025 == Jingyin Huang, The Ohio State University
Exotic aspherical 4-manifolds - November 19, 2025 == Corey Bregman, Tufts University
On a generalization of Cannon’s conjecture for cubulated hyperbolic groups - November 12, 2025 == Chloé Postel-Vinay, University of Chicago
k-shuffle braid groups - November 5, 2025 == Catherine Pfaff, Queen’s University
A “cubist” decomposition of the Handel-Mosher axis bundle - October 29, 2025 == Carl Kristof-Tessier, McGill University
The Parallel Wall Theorem for CAT(0) even 2-complexes - October 22, 2025 == Dani Wise, McGill University
Residually finite groups that do not virtually have the unique product property - October 8, 2025 == Jérémy Perazzelli, Université de Montréal
The length spectrum of triangular surfaces - October 1, 2025 == Dani Wise, McGill University
Cubical Quotients and Nonproducts - September 24, 2025 == Maxwell Plummer, Rice University
Axis bundles in free-by-cyclic groups - September 23, 2025, 11:30 am, BURN 920 == Zhaoshen Zhai, McGill University
Extension properties and separability of groups: a connection between model theory and profinite topologies - September 17, 2025 == Fabricio Dos Santos, McGill University
Garside shadows and biautomatic structures in Coxeter groups - September 10, 2025 == Abdul Zalloum, Institute for Advanced Study in Mathematics of HIT
Globally stable cylinders and fine structures for hyperbolic groups - September 3, 2025 == Koichi Oyakawa, McGill University
Hyperfiniteness of the boundary action of virtually special groups
CIRGET Junior Seminar - Organized by Egor Morozov, Giovanny Soto, Emanuele Ronda and Boris Zupancic
Time to be determined, PK-5675, UQAM
- April 17, 2026, 5:00pm == Pascal Guiffo Kamwa, UQAM
On the Donaldson-Uhlenbeck-Yau theorem - April 10, 2026, 5:00pm == Xiao Xia, UQAM
Weighted Twisted K-Energy: Convexity, Coercivity, and Conic Metrics - February 20, 2026, 6:00pm == Chung-Ming Pan, UQAM
Calabi problem: a variational dream (or nightmare?) - February 12, 2026, 5:00pm == Iuliia Popova, UQAM
Seifert Surgery on Knots in S3 - February 6, 2026, 5:00pm == Chenxi Yin, UQAM
Delta-invariant - January 30, 2026, 5:00pm == Mohamed Moussadek Maiza, Université de Sherbrooke
Lax Kirchhoff moduli spaces and 2D Hamiltonian TQFT. - December 4, 2025, 5:00pm == Carl Kristof, McGill
Lie groups, lattices, and Property (T) - November 27, 2025, 5:00pm == Louis Massonnet, UQAM
An a priori estimate in Yau’s proof of Calabi conjecture - November 20, 2025, 5:00pm == Kuan-Hui Lee, McGill/UQAM
Basic results in generalized geometry - November 12, 2025, 3:30pm == Houari Benammar Ammar, University of Alberta
On basepoint-freeness of adjoint linear systems - October 31, 2025, 5pm == Aleksandr Trufanov, Université de Montreal
Highest Weight Vectors in Coset Decomposition - October 24, 2025, 5pm == Mohamed Moussadek Maiza, Université de Sherbrooke
Deformation of quasi-Hamiltonian spaces - October 9, 2025, 5pm == Louis-Simon Cyr, University of Southern California
Cohomology of Almost Complex Manifolds
Algebraic Geometry Seminar - Organized by Brent Pym, Jake Levinson, Steven Lu and Joel Kamnitzer
The seminar is held on Wednesdays at 2:00 pm, PK-5675, UQAM
- April 22, 2026 == Damien Calaque, Montpellier
TBA - April 15, 2026 == Nathaniel Sagman, University of North Carolina
The non-abelian Hodge correspondence and its holomorphic avatar - April 8, 2026 == Emily Cliff, Université de Sherbrooke
Classifying principal bundles for smooth 2-groups - February 25, 2026 == Maria Gillespie, Colorado State University
A positive combinatorial rule for psi class products on multicolored spaces - January 14, 2026 == Aleksei Ilin
Trigonometric holonomy Lie algebra and its applications - December 17, 2025 == Vadim Vologodsky, University of Toronto
Fedosov quantization in positive and mixed characteristic - November 26, 2025 == Daniel Litt, University of Toronto
p-curvature and non-abelian cohomology - November 12, 2025 == Ilya Dumanski, MIT
Perverse coherent sheaves and quantum loop group - October 29, 2025 == Nick Rozenblyum, Toronto
Integrable systems and hamiltonian flows on moduli spaces - October 22, 2025, 2:00 pm == Stephen McKean, Brigham Young University
Inverse curve problems for del Pezzo surfaces - October 22, 2025, 1:00 pm == Zinovy Reichstein, UBC
Splitting central simple algebras by genus 1 curves - October 1, 2025 == George Lusztig, MIT
Total positivity in the space of maximal tori - September 24, 2025 == Harold Williams, USC
Dimer Models and Tropical Lagrangian Coamoebae
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.
Geometric Analysis Seminar - Organized by Pengfei Guan, Jérôme Vétois and Alina Stancu
The seminar is held on Thursdays at 3:00 PM in 1214 Burnside Hall, McGill
Working Group in complex geometry - Organized by Kuan-Hui Lee
The working group meets Tuesdays from 2:00 PM to 3:30 PM in PK-5675, UQAM