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» Incompleteness in a General Setting
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DM
2008
95views more  DM 2008»
13 years 11 months ago
General neighbour-distinguishing index of a graph
It is proved that edges of a graph G with no component K2 can be coloured using at most 2 log2 (G) + 1 colours so that any two adjacent vertices have distinct sets of colours of t...
Ervin Györi, Mirko Hornák, Cory Palmer...
EOR
2010
82views more  EOR 2010»
13 years 11 months ago
Satisfactory graph partition, variants, and generalizations
The Satisfactory Partition problem asks for deciding if a given graph has a partition of its vertex set into two nonempty parts such that each vertex has at least as many neighbor...
Cristina Bazgan, Zsolt Tuza, Daniel Vanderpooten
ICLP
2005
Springer
14 years 4 months ago
Towards Implementations for Advanced Equivalence Checking in Answer-Set Programming
Abstract. In recent work, a general framework for specifying program correspondences under the answer-set semantics has been defined. The framework allows to define different not...
Hans Tompits, Stefan Woltran
SIAMCOMP
1998
137views more  SIAMCOMP 1998»
13 years 10 months ago
Primal-Dual RNC Approximation Algorithms for Set Cover and Covering Integer Programs
We build on the classical greedy sequential set cover algorithm, in the spirit of the primal-dual schema, to obtain simple parallel approximation algorithms for the set cover probl...
Sridhar Rajagopalan, Vijay V. Vazirani
CIE
2005
Springer
14 years 4 months ago
Computing a Model of Set Theory
We define the notion of ordinal computability by generalizing standard Turing computability on tapes of length ω to computations on tapes of arbitrary ordinal length. The general...
Peter Koepke