GeMATSeminar

GeMAT Seminar - Geometric Methods in Algebra and Topology

Former subjects: Quantum invariants, Homological stability, Graded geometry, Hochschild cohomology, Twisted Alexander polynomials,

Exotic spheres, Higgs bundles, Categorical Rozansky-Witten invariants, Hyperkahler categories,

Symplectic Lie pairs & RW-invariants, Characteristic classes, Cluster algebras, Gelfand-Fuks cohomology,

Foliations, Moduli spaces of manifolds, Link homology, Deformation quantization, Floer homology, Motivic integration.

Fukaya categories, knot-quivers correspondence, universal invariants, character varieties, skein modules/algebras.

14/2026

TBA

Speaker: George Altmann (Univ. of Leeds)

Friday, May 08, 2026, 14:00-15:30

e-GeMAT session on Zoom

11/2026

Quantum hyperbolic invariants of surface bundles over S^1.

Part 3 of 3: Bonahon's approach via skein algebras of surfaces

Speaker: Dorin Cheptea (IMAR)

Friday, April 03, 2026, 14:00-15:30

Room 309-310 "Gheorghe Vranceanu"

10/2026

Quantum hyperbolic invariants of surface bundles over S^1.

Part 2 of 3: Bonahon's approach via skein algebras of surfaces

Speaker: Dorin Cheptea (IMAR)

Friday, March 27, 2026, 14:00-15:30

Room 309-310 "Gheorghe Vranceanu"

09/2026

Real Heegaard Floer Homology with Integral Coefficients. Abstract

Speaker: Ciprian M. Bonciocat (Stanford University)

Friday, March 20, 2026, 17:00-18:30

e-GeMAT session on Zoom. Link

08/2026

Quantum hyperbolic invariants of surface bundles over S^1.

Part 1 of 3: Bonahon's approach via skein algebras of surfaces

Speaker: Dorin Cheptea (IMAR)

Friday, March 13, 2026, 14:00-15:30

Room 309-310 "Gheorghe Vranceanu"

07/2026

Jaeger's combinatorial state model for the HOMFLY polynomial, spin models, and association schemes

Speaker: Dorin Cheptea (IMAR)

Friday, March 06, 2026, 14:00-15:30

Room 309-310 "Gheorghe Vranceanu"

06/2026

The Dowlin spectral sequence VI