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:

  • November 17, 2023 == Joe Boninger, Boston College
    Twisted knots and the perturbed Alexander invariant
  • November 10, 2023 == Mike Wong, University of Ottawa
    Knot Floer homology, barcodes, and primality
  • November 3, 2023 == Eva Miranda, Universitat Politècnica de Catalunya
    The Weinstein conjecture, 44 years later
  • October 27, 2023, PK-5675 == Yann Rollin, Nantes
    Moment maps in Symplectic geometry and applications to PL symplectic geometry
  • October 20, 2023 == Abdellah Lahdili, UQAM
    The Einstein-Hilbert functional in Kähler and Sasaki geometry: slides
  • October 13, 2023 == Thomas Barthelmé, Queen's University
    Group actions on bifoliated planes and classification of (pseudo)-Anosov flows in dimension 3
  • October 6, 2023, 2:00 pm == Simone Gutt, Université Libre de Bruxelles
    Around almost complex structures
  • October 6, 2023 == Claude LeBrun, Stony Brook
    Gravitational Instantons, Weyl Curvature, and Conformally Kahler Geometry
  • September 29, 2023 == Tian-Jun Li, University of Minnesota
  • September 22, 2023 == Masafumi Hattori, University of Kyoto
    K-stability of CY fibrations over curves: notes
  • September 15, 2023 == Daniel Litt, University of Toronto
    Hodge theory, braid groups, and some questions about 2x2 matrices

Geometric Group Theory Seminar - Organized by Zachary Munro, William Chong, Chris Karpinski and Piotr Przytycki

The seminar is held on Wednesdays at 3:00 PM in 920 Burnside Hall

  • November 22, 2023 == Nima Hoda, McGill
    Tree of graph boundaries of hyperbolic groups
  • November 8, 2023 == Connor Sell, UQAM
    Cusps of arithmetic hyperbolic manifolds
  • November 1, 2023 == Piotr Przytycki, McGill
    Trees, fixed-points and the Cremona group
  • October 25, 2023 == Zachary Munro, McGill
    Random Groups are not n-Cubulated
  • October 18, 2023 == Ran Tao, CMU
    Quasi-treeable CBERs are treeable via median graphs
  • September 13, 2023 == Christopher Karpinski, McGill
    A weak Tits alternative for groups acting on buildings
  • August 30, 2023 == Kasia Jankiewicz, University of California, Santa Cruz
    Centers of Artin groups

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

The seminar is held on Wednesdays at 1:00 pm, PK-5675, UQAM

  • November 29, 2023 == Changho Han, University of Waterloo
    Extending Torelli map from Smyth's alternative compactifications of the moduli of curves
  • November 15, 2023 == Jake Levinson, Université de Montréal
    Minimal fibering degrees and asymptotic degrees of irrationality
  • October 3, 2023 == Dave Anderson, Ohio State University/CRM-Simons
    Schubert polynomials, strong transversality, and equivariant positivity
  • September 20, 2023 == Mykola Matviichuk, Imperial College London
    Elliptic Log Symplectic Brackets on Projective Bundles
  • September 19, 2023 == Karol Palka, Institute of Mathematics, Polish Academy of Sciences
    Almost minimal models and applications
  • September 5, 2023 == Kang Zao, Universität Mainz
    On the rigidity and hyperbolicity of families of higher dimensional varieties

Symplectic Seminar - Organized by: Octav Cornea (Montréal), Helmut Hofer (IAS), Vincent Humilière (Paris), Agustin Moreno (IAS), Leonid Polterovich (Tel Aviv), Egor Shelukhin (Montréal), Shira Tanny (IAS), Sara Tukachinsky (Tel Aviv), Claude Viterbo (Paris)

The seminar meets by ZOOM on Fridays at 9:15. The new Symplectic Zoominar is co-organized with Princeton/IAS, Tel Aviv and Paris.

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

The seminar is held on Tuesdays at 2:30 PM in Burnside 1104