Johannes Sjostrand at MSRI - Perturbations of self-adjoint operators with periodic flow-branching levels

<BODY> MSRI Streaming Video Series <BR> Johannes Sjostrand - Perturbations of self-adjoint operators with periodic flow-branching levels <BR> <center> A PDF version of the lecture notes is available <A HREF="http://www.msri.org/publications/ln/msri/2003/ms-ca/sjostrand/1/meta/aux/sjostrand.pdf">here</A>. </center> </BODY>