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Journal of Computer and System Sciences � SS1469

journal of computer and system sciences 54, 263 (1997)

EDITOR'S FOREWORD

This Special Issue consists of journal versions of six papers presented at the34th Annual Symposium on Foundations of Computer Science (FOCS '93), heldNovember 3�5, 1993, in Palo Alto, California. All papers were sent through thenormal refereeing process and reviewed according to this journal 's usual standards.I thank Rao Kosaraju, Edward K. Blum, the other members of the FOCS '93

program committee, and the many anonymous referees for their help with this issue.

David Epstein

Special Issue Editor

article no. SS971469

263 0022-0000�97 �25.00

Copyright � 1997 by Academic PressAll rights of reproduction in any form reserved.