226 search results - page 25 / 46 » Lower bounds on the obstacle number of graphs |
SPAA
2006
ACM
14 years 1 months ago
2006
ACM
We initiate the study of semi-oblivious routing, a relaxation of oblivious routing which is first introduced by R¨acke and led to many subsequent improvements and applications. ...
COMBINATORICA
2007
13 years 7 months ago
2007
A complete partition of a graph G is a partition of its vertex set in which any two distinct classes are connected by an edge. Let cp(G) denote the maximum number of classes in a ...
STACS
2010
Springer
14 years 2 months ago
2010
Springer
The degree of a CSP instance is the maximum number of times that a variable may appear in the scope of constraints. We consider the approximate counting problem for Boolean CSPs wi...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
A local algorithm is a distributed algorithm that completes after a constant number of synchronous communication rounds. We present local approximation algorithms for the minimum ...
COLT
2010
Springer
13 years 5 months ago
2010
Springer
We investigate the problem of active learning on a given tree whose nodes are assigned binary labels in an adversarial way. Inspired by recent results by Guillory and Bilmes, we c...