%0 Journal Article %T Sacler lectures %A Joseph Bernstein %J Mathematics %D 1995 %I arXiv %X The series of three lectures given at Tel-Aviv University in 1992: 1. Tensor categories. 2. Quantum groups. 3. Topological (quantum) field theories. Published as the preprint IAS 897-92 of Tel-Aviv University and The Mortimer and Raymond Sacler Institute of Advanced Studies. %U http://arxiv.org/abs/q-alg/9501032v1