Tuesday, October 01, 2002


Lane Hemaspaandra's Complexity Column in the September SIGACT News has an interesting article by Marcus Schaefer and Chris Umans on problems complete in higher levels of the polynomial-time hierarchy. Also of interest for complexity theorists, Bill Gasarch's Book Review Column has a joint review of Computability and Complexity Theory by Homer and Selman and The Complexity Theory Companion by Hemaspaandra and Ogihara.

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