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 PK5115, PrésidentKennedy Building, UQAM. All changes are indicated. As of May 8, 2020, the CIRGET Seminar meets virtually. Zoom link: https://uqam.zoom.us/j/98999725241
 July 24, 2020 == Livio Liechti, Université de Fribourg
TBA  July 17, 2020 == Joshua Howie, UC Davis
TBA  July 10, 2020 == Gabriele Mondello, Università di Roma, La Sapienza
On spherical surfaces of genus 1 with 1 conical point  July 3, 2020 == Nicolina Istrati, Tel Aviv University
Variational problems in conformal geometry  slides and talk  June 26, 2020 == Martin Bobb, UT Austin
Decomposition along flats for convex projective manifolds  talk  June 19, 2020 == Vaibhav Gadre, University of Glasgow
Statistical hyperbolicity of Teichmuller spaces  slides and talk  June 12, 2020 == Eiji Inoue, Tokyo
mucscK metrics and muKstability of polarized manifolds  slides and talk  June 5, 2020 == Ben Weinkove, Northwestern
The ChernRicci flow  slides and talk  May 29, 2020 == Lukas Lewark, Regensberg
Squeezed knots  slides and talk  May 22, 2020 == Patrick Orson, Boston College
Topologically embedding spheres in knot traces  May 15, 2020 == Ekatarina Amerik, Paris Sud
Around the cone conjecture for hyperkähler manifolds  slides  May 8, 2020 == Henri Guenancia, CNRS, Toulouse
Families of singular KählerEinstein metrics  slides  March 6, 2020 == Clayton McDonald, Boston College
Doubly slice odd pretzel knots  February 21, 2020 == Artour Tomberg, University of Western Ontario
Vector bundles on twistor spaces of hyperkähler manifolds  February 14, 2020 == Joel Kamnitzer, University of Toronto
Symplectic duality and the Hikita Conjecture  February 7, 2020, 10:00 == Gavin Ball, CIRGET, UQAM
Closed G2structures inducing a conformally flat metric  January 31, 2020 == Michael Albanese, CIRGET, UQAM
Almost Complex Structures on Rational Homology Spheres  January 24, 2020 == Michael Lipnowski, McGill
The SeibergWitten equations and the length spectrum of hyperbolic threemanifolds  January 17, 2020 == Tyrone Ghaswala, CIRGET
Infinitetype surfaces and the arcs that survive  December 6, 2019 == Lars Sektnan, Aarhus University
Optimal symplectic connections on holomorphic submersions  November 29, 2019 == Thomas Hockenhull, University of Glasgow
Koszul duality and Knot Floer homology  November 22, 2019, 10:00 == Ahmad Issa, UBC
Embedding Seifert fibered spaces in the 4sphere  November 22 2019 == Sungmo Kang, University of Texas at Austin
Hyperbolic primitive/Seifert knots in the 3sphere  November 8, 2019 == Andrei Moroianu, Paris 11
Weakly complex homogeneous spaces  November 1, 2019 == Kenji Fukaya, Kyoto University
Virtual fundamental chain and its application  October 18, 2019 == Fei Hu, Waterloo
Dynamical degrees of selfmaps on abelian varieties  October 11, 2019 == Maxence Mayrand, University of Toronto
Symplectic reduction, GIT quotients, and Nahm’s equations  October 4, 2019, 10:00 ==Kang Zuo, Mainz
A padic characterization of modular curves  October 4, 2019 == Georges Dloussky, Marseille
Positive (1,1) currents on some nonKähler compact complex surfaces  September 27, 2019 == Gerard Freixas, Institut de mathématiques de Jussieu
On the BCOV invariant of CalabiYau manifolds  September 20, 2019, 10:00 == Michael Brandenbursky, BenGurion University
Fragmentation norm and relative quasimorphisms  September 20, 2019 == Jen Hom, Georgia Tech
More concordance homomorphisms from knot Floer homology  September 13, 2019 == Artem Kotelskiy
Immersed curves in Khovanov homology  September 13, 10:00 == Linh Truong, Institute for Advanced Study
An infinite rank summand of the homology cobordism group  September 11, 2019 == Brendan Owens, University of Glasgow
Embeddings of rational balls  September 9, 2019 == Mike Willis, UCLA
Defining Khovanov homology and Rasumussen’s invariant in #^{r}(S^{1} x S^{2})  September 6, 2019 == David Calderbank, Bath
GL2 geometries and quaternionic manifolds with symmetry  September 6, 2019 at 10:00 == Ian Zemke, Princeton
Ribbon concordances and knot Floer homology  August 23, 2019 == ShuCheng Chang, National Taiwan University
Yau’s Uniformization Conjecture in Sasakian Manifolds
Geometric Group Theory Seminar  Organised by Macarena Covadonga Robles Arenas
Normally, the seminar is held on Wednesdays at 3:00 PM, Burnside Hall, room 1140, McGill. As of March 18, 2020, the Seminar is held online.
 March 25, 2020 == Sami Douba, McGill
Finitely generated subgroups of compact Lie groups  March 18, 2020 == Merlione IncertiMedici, Zurich
Topologies and metrics on the Morse boundary  March 11, 2020 == Ilya Kapovich, Hunter College of CUNY
Singularity properties of random free group automorphisms and of random trees in the boundary of Outer space  February 19, 2020 == James Farre, Yale University
Hyperbolic volume and bounded cohomology  February 12, 2020 == Michał Marcinkowski, IMPAN
Bounded cohomology of transformation groups  February 5, 2020 == Tyrone Ghaswala, Université du Québec à Montréal
Promoting circularorderability to leftorderability  January 29, 2020 == Rylee Lyman, Tufts University
Train Tracks, Orbigraphs and CAT(0) Freebycyclic groups  January 22, 2020 == Damian Osajda, University of Wrocław
Helly groups  January 15, 2020 == Dani Wise, McGill
Intro to wordhyperbolic groups  January 8, 2020 == Abdalrazzaq Zalloum, Queen’s University
Growth of stable subgroups in Morselocaltoglobal groups  November 20, 2019 == Dani Wise, McGill University
A vanishing result for the second L^{2}Betti number.  November 13, 2019 == Elizabeth Fields, University of Illinois at UrbanaChampaign
Trees, dendrites, and the CannonThurston map  November 6, 2019 == Jens Harlander, Boise State University
Geometry and topology of labeled oriented trees.  October 30, 2019 == Nima Hoda, École normale supérieure
Crystallographic Helly Groups  October 23, 2019 == Kasia Jankiewicz, University of Chicago
Residual finiteness of three generator Artin groups  October 16, 2019 == Heejoung Kim, University of Illinois at UrbanaChampaign
Algorithms detecting stability and Morseness for finitely generated groups  October 9, 2019 == Rémi Coulon, Institut de recherche mathématique de Rennes
Twisted PattersonSullivan measure and applications to growth problems  October 2, 2019 == Catherine Pfaff, Queen’s University
Typical trees: an Out(F_{r}) excursion  September 25, 2019 == Piotr Przytycki, McGill University
Tits alternative in dimension 2  September 18, 2019 == Michael Brandenbursky, BenGurion University
Entropy, metrics and quasimorphisms  September 11, 2019 == Daniel Woodhouse, University of Oxford
Action rigidity of free products of hyperbolic manifold groups
Symplectic Seminar  Organised by: Octav Cornea and Egor Shelukhin
Normally the seminar meets on Fridays, from 1:40 to 2:40 at UQAM, room PK5115. As of March 27, 2020, the Seminar is held by ZOOM at the times indicated. The new Symplectic Zoominar is coorganized with Princeton/IAS, Tel Aviv and Paris. Main ZOOM link: https://umontreal.zoom.us/j/94366166514?pwd=OHBWcGluUmJwMFJyd2IwS1ROZ0FJdz09 (backup/alternate link https://princeton.zoom.us/j/745635914)
 September 11, 2020, 9:15 == Vincent Colin, Nantes
TBA  September 4, 2020, 9:15 == Georgios Dimitroglou Rizell, Uppsala
TBA  July 24, 2020, 9:15 == John Pardon, Princeton
TBA  July 17, 2020, 9:15 == Three 20 min research talks: Yusuke Kawamoto (Paris); Shira Tanny (Tel Aviv); Javier MartínezAguinaga (Madrid)
TBA  July 10, 2020, 9:15 == Peter Ozsvath, Princeton
TBA  July 3, 2020, 9:15 == Tara Holm (Cornell)/Ana Rita Pires(Edinburgh)
Infinite staircases and reflexive polygons (Part of Ellipsoid day joint with Western Hemisphere Virtual Symplectic Seminar)  June 26 2020, 9:15 == Ailsa Keating, Cambridge
Distinguishing monotone Lagrangians via holomorphic annuli  June 19 2020, 9:15 == Igor Uljarevic, Belgrade
Exotic symplectomorphisms and contact circle action  June 12 2020, 9:15 == Mark Mclean, SUNY, Stony Brook
Floer Cohomology and Arc Spaces  June 5 2020, 9:15 == Three short research talks
See https://dms.umontreal.ca/~cornea/Seminar.html  May 29 2020, 9:15 == Alex Oancea, Orsay, Paris
Duality for RabinowitzFloer homology  May 22, 2020, 9:15 == Denis Auroux, Harvard
Mirrors of curves and their Fukaya categories  May 15, 2020, 9:15 == Jo Nelson, Rice
Reflections on Cylindrical Contact Homology  May 8, 2020, 9:15 == Marco Mazzucchelli, ENSLyon
Spectral characterizations of Besse and Zoll Reeb flows  May 1, 2020, 9:15 == Alberto Abbondandolo, Bochum
Zoll contact forms are local maximisers of the systolic ratio  April 24, 2020, 9:15 == Lisa Traynor, Bryn Mawr
The Geography of Immersed Lagrangian Fillings of Legendrian Submanifolds  April 17, 2020, 9:15 == Nicholas Wilkins, Bristol
Equivariant quantum operations and relations between them  April 10, 2020, 9:15 == Leonid Polterovich, Tel Aviv
Geometry of Quantum Uncertainty  April 3, 2020, 9:15 == Daniel CristofaroGardiner, IAS
The simplicity conjecture  March 27, 2020, 9:00 == Octav Cornea, Montreal
Fragmentation pseudometrics and Lagrangian submanifolds  March 13, 2020 == Umut Varolgunes, Stanford
Superrigidity of skeleta associated to complements of symplectic divisors  February 28, 2020 == Egor Shelukhin, UdeM
Smith theory in Floer homology, persistence, and dynamics  February 21, 2020 == Egor Shelukhin, UdeM
Smith theory in filtered Floer homology  February 14, 2020 == Octav Cornea, UdeM
Marked Lagrangian submanifolds and Fukaya categories  February 7, 2020 == JeanPhilippe Chassé, UdeM
The topology of Lagrangian submanifolds calibrated by curvature  January 31, 2020 == Dustin ConneryGrigg, UdeM
A Geometric Realization of the Hamiltonian Floer Complex for Surfaces  January 24, 2020 == Jun Zhang, CRMUdeM
Relative growth rate and contact BanachMazur distance  January 17, 2020 == Fabian Ziltener, Utrecht University
Coisotropic submanifolds of symplectic manifolds, leafwise fixed points, and spherical nonsqueezing  November 8, 2019 == Richard Hind, Notre Dame
Packing and squeezing Lagrangian tori  November 1, 2019 == Kenji Fukaya, Kyoto University
Lagrangian Floer theory in the divisor complement  October 18, 2019 == Jun Zhang, CRM
Shape invariant and coarse BanachMazur distance  October 11, 2019, 1:15 == Dmitry Faifman, CRM
HolmesThompson intrinsic volumes and Finsler manifolds  October 4, 2019 == Xiudi Tang, Toronto
Symplectic ray removal and its applications  September 26, 2019 == PierreAlexandre Mailhot, Université de Montréal
The Calabi homomorphism and Lagrangian cobordisms  September 20, 2019 == Michael Usher, UGA
Local rigidity and C^{0}symplectic and contact topology
Working Groups 201920

Mondays
1:00 PM == Working Group in lowdimensional topology
PK5675, UQAM. Organizer: Tyrone Ghaswala