Seminar archive

Geometry & Topology Seminar

September 2025–August 2026

DateSpeakerTitleHost
Sep 11Thu · MC 5403Marina LogaresUniversidad Complutense de MadridFrom Higgs Bundles to Integrable Systems: Examples from Geometry and PhysicsRuxandra
Sep 19Lorenzo SarnataroUniversity of TorontoIndex, Intersections, and Multiplicity of Min-Max GeodesicsSpiro
Oct 10Casey BlackerAugusta UniversityGeometric and algebraic reduction of multisymplectic manifoldsSpiro
Oct 17Reading WeekNo seminar
Oct 24Nathaniel SagmanUniversity of TorontoComplex harmonic maps and the Atiyah–Bott–Goldman symplectic formSpiro
Nov 7Spencer CattalaniStony Brook UniversityAhlfors currents and symplectic non-hyperbolicityAleks
Nov 14Shintaro Fushida-HardyUniversity of WaterlooConstructing Lagrangians in S² × S²Local
Nov 21Siyuan YuWestern UniversitySymplectic embeddings of balls in ℂP² and the generalized configuration spaceBenoit
Dec 15Mon · MC 5417Sergey GrigorianUniversity of Texas Rio Grande ValleyGeometric structures determined by the 7-sphereSpiro
Feb 6Duncan McCoyUQAMThe unknotting number of positive alternating knotsTy
Feb 13Caleb SuanChinese University of Hong KongHull–Strominger Systems and Geometric FlowsSpiro
Feb 20Reading WeekNo seminar
Feb 27Evan SundboUniversity of WaterlooBroken Toric Varieties and Balloon Animal MapsLocal
Mar 20Siyuan LuMcMaster UniversityInterior C² estimate for Hessian quotient equationXuemiao
Jun 3Wed · 2:00–3:00 · MC 5417Izar AlonsoRutgers UniversityGauge Theory on hyperkähler manifoldsSpiro
Jun 3Wed · 3:30–4:30 · MC 5417Ragini SinghalUniversity of MünsterSolutions and singularities of the Ricci-harmonic flow and Ricci-like flows of G₂-structuresSpiro
Jun 12MC 5403Tommaso PaciniUniversity of TorinoAnisotropic calibrations, adiabatic limits, and mirror symmetrySpiro
Jul 10Anton IliashenkoBIMSADeformation theory of associative and coassociative Smith mapsSpiro
Jul 16Thu · 11:00–12:00 · MC 5479Mainak PoddarIISER PuneEquivariant principal bundles over toric DM stacksShengda