Geometry & Topology Seminar Speaker:  Liat Kessler (Oranim Academic College) Topic:  Equivariant cohomology does not distinguish Hamiltonian S^1-manifolds Place:  Room 614 in the Science & Education Building Time:   10:00 Date:  Thursday, January 2,  2020   Abstract: For Hamiltonian circle actions on 4-manifolds, we give … Continue reading This week, Thursday at 10:00, U. Haifa Topology & Geometry seminar on January 2, 2020