John Watrous at MSRI - Capturing quantum complexity classes via quantum channels

<BODY> MSRI Streaming Video Series <BR> John Watrous - Capturing quantum complexity classes via quantum channels <BR> <center> A PDF version of the lecture notes is available <A HREF="http://www.msri.org/publications/ln/msri/2002/qip/watrous/1/meta/aux/watrous.pdf">here</A>. </center> </BODY>