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» Inseparability and Strong Hypotheses for Disjoint NP Pairs
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STACS
2010
Springer
13 years 11 months ago
Inseparability and Strong Hypotheses for Disjoint NP Pairs
This paper investigates the existence of inseparable disjoint pairs of NP languages and related strong hypotheses in computational complexity. Our main theorem says that, if NP do...
Lance Fortnow, Jack H. Lutz, Elvira Mayordomo
COCO
2003
Springer
135views Algorithms» more  COCO 2003»
13 years 10 months ago
Disjoint NP-Pairs
We study the question of whether the class DisjNP of disjoint pairs (A, B) of NP-sets contains a complete pair. The question relates to the question of whether optimal proof system...
Christian Glaßer, Alan L. Selman, Samik Seng...
COCO
2004
Springer
84views Algorithms» more  COCO 2004»
13 years 10 months ago
Properties of NP-Complete Sets
We study several properties of sets that are complete for NP. We prove that if L is an NP-complete set and S ⊇ L is a p-selective sparse set, then L − S is ≤p m-hard for NP....
Christian Glaßer, Aduri Pavan, Alan L. Selma...