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REPORTS > AUTHORS > DANIEL MITROPOLSKY:
All reports by Author Daniel Mitropolsky:

TR20-153 | 6th October 2020
Robert Kleinberg, Daniel Mitropolsky, Christos Papadimitriou

Total Functions in the Polynomial Hierarchy

We identify several genres of search problems beyond NP for which existence of solutions is guaranteed. One class that seems especially rich in such problems is PEPP (for "polynomial empty pigeonhole principle"), which includes problems related to existence theorems proved through the union bound, such as finding a bit string ... more >>>




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