 I am a graduate student in the <a href="http://www.cs.utexas.edu">Department of Computer Sciences</a> at the <a href="http://www.utexas.edu"> University of Texas at Austin</a>.  I am planning to complete my Ph.D. in Spring 1997.  My dissertation supervisor is <a href="http://www.cs.utexas.edu/users/UTCS/report/1995/profiles/plaxton.html">Greg Plaxton</a>.  <p>
