中科院数学与系统科学研究院

数学研究所

拓扑研讨班

报告人： Prof. Siye Wu（Department of Mathematics, NTHU）

题  目：Testing S-duality with non-orientable surfaces

时  间：2019.06.20（星期四），16:00-17:00

地  点：数学院南楼N702室

摘  要：We consider the reduction of gauge theory on a four dimensional orientable manifold which is not a global product of two surfaces but contains embedded non-orientable surfaces. The resulting theory is a sigma-model on a two dimensional surface with boundary. We compare the discrete topological fluxes in four and two dimensional theories and verify the mirror symmetry as predicted by the S-duality in gauge theory. This provides another non-trivial test of S-duality.