91 search results - page 8 / 19 » Approximating Dependency Graphs Using Tree Automata Techniqu... |
ECCC
2000
13 years 7 months ago
2000
We analyze the addition of a simple local improvement step to various known randomized approximation algorithms. Let ' 0:87856 denote the best approximation ratio currently k...
RTA
2007
Springer
14 years 2 months ago
2007
Springer
This paper shows how to construct static analyzers using tree automata and rewriting techniques. Starting from a term rewriting system representing the operational semantics of the...
FOCS
2009
IEEE
14 years 2 months ago
2009
IEEE
In this paper, we set forth a new algorithm for generating approximately uniformly random spanning trees in undirected graphs. We show how to sample from a distribution that is wi...
SIAMCOMP
2010
13 years 6 months ago
2010
Abstract. We study the Edge Disjoint Paths (EDP) problem in undirected graphs: Given a graph G with n nodes and a set T of pairs of terminals, connect as many terminal pairs as pos...
CATS
2006
13 years 9 months ago
2006
We study the problem of orienting the edges of a weighted graph such that the maximum weighted outdegree of vertices is minimized. This problem, which has applications in the guar...