Y. Ruan at MSRI - Recent Advances in Orbifold Theory

<BODY> MSRI Streaming Video Series <BR> Y. Ruan - Recent Advances in Orbifold Theory <BR> <center> A PDF version of the lecture notes is available <A HREF="http://www.msri.org/publications/ln/msri/2004/symplecticgeom/yruan/1/meta/aux/yruan.pdf">here</A>. </center> </BODY>