2181 search results - page 43 / 437 » The restriction scaffold problem |
162
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FAW
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. Given a graph G and a nonnegative integer k, the NP-complete Induced Matching problem asks for an edge subset M such that M is a matching and no two edges of M are joined...
144
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ISAAC
2007
Springer
15 years 10 months ago
2007
Springer
We study the complexity of structurally restricted homomorphism and constraint satisfaction problems. For every class of relational structures C, let LHOM(C, _) be the problem of d...
113
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ICCS
2005
Springer
15 years 9 months ago
2005
Springer
Abstract. Given two arc-annotated sequences (S, P) and (T, Q) representing RNA structures, the Arc-Preserving Subsequence (APS) problem asks whether (T, Q) can be obtained from (S,...
148
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APAL
2011
14 years 10 months ago
2011
We define a new NP search problem, the “local improvement” principle, about labellings of an acyclic, bounded-degree graph. We show that, provably in PV, it characterizes the...
155
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FOCS
2009
IEEE
15 years 10 months ago
2009
IEEE
We show that a k-fold covering using translates of an arbitrary convex polygon can be decomposed into Omega(k) covers (using an efficient algorithm). We generalize this result to ...