A downward collapse within the polynomial hierarchy.

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Bibliographic Details
Title: A downward collapse within the polynomial hierarchy.
Authors: Hemaspaandra, Edith, Hemaspaandra, Lane A., Hempel, Harald
Source: SIAM Journal on Computing; 1998, Vol. 28 Issue 2, p383-393, 11p
Database: Applied Science & Technology Source
Description
ISSN:00975397
DOI:10.1137/S0097539796306474