First Semester 2025:

Tuesdays, 12-1pm

Sept. 23, WGB 3.04: Matthias Storzer (UCC), "Knots and modular forms"

Sept. 30, WGB 1.56: Tsukasa Ishibashi (Tohoku), "Cyclic quantum Teichmüller theory"

Oct. 7, WGB 1.56: Matthew Litman (UCD), "Markoff-like surfaces and divisibility of orbits"

Oct. 14: no colloquium, meeting at RIA

Oct. 21, WGB 3.04: Anne Moreau (Orsay), "Vertex algebras, associated varieties and modular forms"

Oct. 28: Two talks!

• WGB G.02, 11-12pm: Jonathan Hickman (Edinburgh), "The Kakeya Conjecture: where does it come from and why is it important?"
• WGB G.05, 12-1pm: James Wright (Edinburgh), "Recent progress in pointwise ergodic theory"

Nov. 4, WGB G.15: Christian Ketterer (Maynooth), "Introduction to RCD spaces and applications to Scalar curvature stability problems"

Nov. 11, WGB G.15: Dani Kaufman (Leipzig), "Generalised block decompositions of Lie groups and positivity"

Nov. 18, WGB G.15: Joshua Maglione (UofG), "Average Ehrhart coefficients and symplectic Hecke eigenbases"

Nov. 25, WGB G.15: Jeremy Lovejoy (Paris), "Bailey pairs and quantum q-series identities"

Second Semester 2026:

Tuesdays, 12-1pm, WGB 2.26 (except on Feb. 24)

Jan. 20: Cormac O'Sullivan (CUNY), "Topographs of various kinds and their periodicity"

Jan. 27: Mariya Ptashnyk (Herriot Watt), "Strong convergence of a splitting method for the stochastic complex Ginzburg-Landau equation"

Feb. 3: John Appleby (DCU), "Asymptotic characterisation of solutions of perturbed continuous-time differential systems"

Feb. 10: Dmitry Belyaev (Oxford), "Geometry of smooth Gaussian fields"

Feb. 17: Yuma Mizuno (UCC), "Formalizing mathematics with Lean theorem prover"

Feb. 24, WGB G.09: Brita Nucinkis (Royal Holloway), "From paradoxical decompositions in groups to semigroup C^*-algebras"

March 3: Jonathan Fraser (St. Andrews), "Dimension interpolation and the geometry of fractals"

March 10: Sven Möller (Maynooth), "Vertex algebras for 3d N=4 gauge theories and partial theta functions"

March 17: St. Patrick's Day! No talk!

March 24: Christopher Bishop (Stony Brook), "Equilateral triangulations of Riemann surfaces"

March 25: Christopher Bishop (Stony Brook), Public Lecture, "A brief history of triangulations"

March 31: Fabrizio Del Monte (Birmingham), "On the modularity of tau functions and conformal blocks on the torus"

April 7: Easter! No talk!

April 14: Adam Skalski (Warsaw), "On certain Hecke algebras arising as deformations of group algebras of Coxeter groups"