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NP (complexity)

Known as: NP, NP (complexity class), Class NP 
In computational complexity theory, NP is a complexity class used to describe certain types of decision problems. Informally, NP is the set of all… Expand
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Papers overview

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Highly Cited
2009
Highly Cited
2009
Nonnegative matrix factorization (NMF) has become a prominent technique for the analysis of image databases, text databases, and… Expand
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Highly Cited
2004
Highly Cited
2004
  • I. Niemelä
  • Annals of Mathematics and Artificial Intelligence
  • 2004
  • Corpus ID: 14465318
Logic programming with the stable model semantics is put forward as a novel constraint programming paradigm. This paradigm is… Expand
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Highly Cited
1997
Highly Cited
1997
We introduce a new low-degree-test, one that uses the restriction of low-degree polynomials to planes (i. e., afine sub-spaces of… Expand
Highly Cited
1997
Highly Cited
1997
Computational complexity is the study of the difficulty of solving computational problems, in terms of the required computational… Expand
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Highly Cited
1994
Highly Cited
1994
1. Mathematical Preliminaries. 2. Elements of Computability Theory. 4. The Class P. 5. The Glass NP. 6. The Complexity of… Expand
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Highly Cited
1991
Highly Cited
1991
We define a natural variant of NP, MAX NP, and also a subclass called MAX SNP. These are classes of optimization problems, and in… Expand
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Highly Cited
1991
Highly Cited
1991
It is well known that for many NP-complete problems, such as K-Sat, etc., typical cases are easy to solve; so that… Expand
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Highly Cited
1987
Highly Cited
1987
Since 1974, several algorithms have been developed that attempt to factor a large number N by doing extensive computations module… Expand
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Highly Cited
1986
Highly Cited
1986
We take a complexity theoretic view of A. C. Yao's theory of communication complexity. A rich structure of natural complexity… Expand
Highly Cited
1978
Highly Cited
1978
The problem of deciding whether a given propositional formula in conjunctive normal form is satisfiable has been widely studied… Expand