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The Complexity of the Kth Largest Subset Problem and Related Problems

We show that the Kth largest subset problem and the Kth largest m-tuple problem are in PP and hard for PP under polynomial-time Turing reductions. Several problems from the literature were previously shown NP-hard via reductions from those two problems, and by our main result they become PP-hard as well. We also provide complementary PP-upper bounds for some of them.

preprint2015arXivOpen access
Christoph HaaseStefan Kiefer
Computational Complexity
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Christoph HaaseStefan Kiefer

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