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SIGAL
1990

Complexity Cores and Hard Problem Instances

14 years 3 months ago
Complexity Cores and Hard Problem Instances
Many intractable problems such as NP-complete problems (provided P = NP) have easy subproblems. In contrast, we investigate the existence and the properties of inherently hard subproblems, called complexity cores. Furthermore, the question is posed whether individual problem instances can be inherently hard (for all algorithms solving the problem), and this question is answered positively.
Uwe Schöning
Added 11 Aug 2010
Updated 11 Aug 2010
Type Conference
Year 1990
Where SIGAL
Authors Uwe Schöning
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