STACS
2010
Springer
14 years 6 months ago
2010
Springer
Reachability and shortest path problems are NL-complete for general graphs. They are known to be in L for graphs of tree-width 2 [14]. However, for graphs of treewidth larger than ...
STACS
2010
Springer
14 years 6 months ago
2010
Springer
STACS
2010
Springer
14 years 6 months ago
2010
Springer
The existence of a (p-)optimal propositional proof system is a major open question in (proof) complexity; many people conjecture that such systems do not exist. Kraj´ıˇcek and P...
STACS
2010
Springer
14 years 6 months ago
2010
Springer
In the uncapacitated facility location problem, given a graph, a set of demands and opening costs, it is required to find a set of facilities R, so as to minimize the sum of the c...
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STACS
2010
Springer
14 years 6 months ago
2010
Springer
Abstract. In this talk, I will review some of the work performed by the research community in cryptology and security since the invention of public key cryptography by Diffie and H...
STACS
2010
Springer
14 years 6 months ago
2010
Springer
STACS
2010
Springer
14 years 6 months ago
2010
Springer
We construct efficient data structures that are resilient against a constant fraction of adversarial noise. Our model requires that the decoder answers most queries correctly with...
STACS
2010
Springer
14 years 6 months ago
2010
Springer
We study systems of equations of the form X1 = f1(X1, . . . , Xn), . . . , Xn = fn(X1, . . . , Xn) where each fi is a poly
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STACS
2010
Springer
14 years 6 months ago
2010
Springer
A cellular automaton (CA) is a parallel synchronous computing model, which consists in a juxtaposition of finite automata (cells) whose state evolves according to that of their ne...
STACS
2010
Springer
14 years 6 months ago
2010
Springer
In this paper we consider the problem of testing whether two finite groups are isomorphic. Whereas the case where both groups are abelian is well understood and can be solved effi...