93 search results - page 1 / 19 » Hard constraint satisfaction problems have hard gaps at loca... |
CORR
2007
Springer
13 years 4 months ago
2007
Springer
An instance of the maximum constraint satisfaction problem (Max CSP) is a nite collection of constraints on a set of variables, and the goal is to assign values to the variables ...
CSR
2007
Springer
13 years 10 months ago
2007
Springer
The maximum constraint satisfaction problem (Max CSP) is the following computational problem: an instance is a finite collection of constraints on a set of variables, and the goal...
ICALP
2007
Springer
13 years 10 months ago
2007
Springer
We present algebraic conditions on constraint languages Γ that ensure the hardness of the constraint satisfaction problem CSP(Γ) for complexity classes L, NL, P, NP and ModpL. Th...
STOC
2009
ACM
14 years 5 months ago
2009
ACM
In this paper we study a fundamental open problem in the area of probabilistic checkable proofs: What is the smallest s such that NP naPCP1,s[O(log n), 3]? In the language of har...
ISAAC
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. Given two comparative maps, that is two sequences of markers each representing a genome, the Maximal Strip Recovery problem (MSR) asks to extract a largest sequence of ma...