I will begin by explaining electro-magnetic duality symmetries in the context of supersymmetric Yang-Mills theories. I will then discuss the S, T and U dualities of string theory and their implications for branes. The conjectured E11 symmetry will also be considered.

Wednesday, April 20, 13:00 -15:00, TU Wien, Sem. 136 Tuesday, May 3, 10:00 - 12:00, ESI, Erwin Schrödinger Lecture Hall Wednesday, May 4, 16:00 - 18:00 ESI, Erwin Schrödinger Lecture Hall Tuesday, May 10, 10:00 - 12:00, TU Wien, Sem. 136