4 November 2026. TCD Dublin Mathematics Colloquium. Noah Arbesfeld (University of Vienna). Invariants of Surfaces from Equivariant Geometry. HMI Seminar Room, Top Floor,  House 16, Hamilton Building, TCD - 2 pm. For the abstract and more information on TCD Mathematics Colloquia, please follow: https://www.maths.tcd.ie/~dmc/