FST TCS 2003

by Conference on Foundations of Software Technology and Theoretical Computer Science (23rd 2003 Mumbai, India)

Over the past two decades, the Foundations of Software Technology and Th- retical Computer Science (FSTTCS) conferences have been providing an - nual forum in India for the presentation and publication of results in computer science from around the world. This volume contains the proceedings of the 23rd FSTTCS, organized under the aegis of the Indian Association for Research in Computing Science (IARCS). FSTTCS 2003 attracted over 160 submissions from 29 countries. After obt- ning521refereereportswithinaperiodofonemonth,theprogrammecommittee accepted33contributedpapers,themaximumthatcould?tintoatwo-and-ha- day programme. Unfortunately, many good papers had to be turned away. We thankalltheauthorsforsubmittingtheirpaperstoFSTTCS2003.Wethankthe reviewers for the tremendous support they provided to the conference through theirinformedandthoroughreviewsofthepapers.Wesincerelythankthem- bers of the programme committee for lending their names to the conference and for meeting the challenge a