Alexander Kirillov, Jr. at MSRI - Tensor categories and orbifold vertex algebras

<BODY> MSRI Streaming Video Series <BR> Alexander Kirillov, Jr. - Tensor categories and orbifold vertex algebras <BR> <center> A PDF version of the lecture notes is available <A HREF="http://www.msri.org/publications/ln/msri/2002/ssymmetry/kirillov/1/meta/aux/kirillov.pdf">here</A>. </center> </BODY>