Sciweavers

96 search results - page 5 / 20
» New Plain-Exponential Time Classes for Graph Homomorphism
Sort
View
STOC
2010
ACM
216views Algorithms» more  STOC 2010»
14 years 3 months ago
The HOM problem is decidable
We close affirmatively a question which has been open for long time: decidability of the HOM problem. The HOM problem consists in determining, given a tree homomorphism D and a re...
Guillem Godoy, Omer Giménez, Lander Ramos and Car...
PODC
2010
ACM
13 years 10 months ago
A new technique for distributed symmetry breaking
We introduce Multi-Trials, a new technique for symmetry breaking for distributed algorithms and apply it to various problems in general graphs. For instance, we present three rand...
Johannes Schneider, Roger Wattenhofer
DISOPT
2006
110views more  DISOPT 2006»
13 years 6 months ago
New facets of the STS polytope generated from known facets of the ATS polytope
While it was known for a long time how to transform an asymmetric traveling salesman problem on the complete graph with n vertices into a symmetric traveling salesman problem on a...
Egon Balas, Robert Carr, Matteo Fischetti, Neil Si...
ICDT
2010
ACM
161views Database» more  ICDT 2010»
13 years 9 months ago
Data Correspondence, Exchange, and Repair
Checking the correspondence between two or more database instances and enforcing it is a procedure widely used in practice without however having been explored from a theoretical ...
Gösta Grahne, Adrian Onet
ICDT
2010
ACM
193views Database» more  ICDT 2010»
13 years 8 months ago
Data correspondence, exchange and repair
Checking the correspondence between two or more database instances and enforcing it is a procedure widely used in practice without however having been explored from a theoretical ...
Gösta Grahne, Adrian Onet