85 search results - page 15 / 17 » Graphs of Bounded Treewidth can be Canonized in AC1 |
WG
2004
Springer
15 years 2 months ago
2004
Springer
Abstract. Assume that each vertex of a graph G is assigned a nonnegative integer weight and that l and u are nonnegative integers. One wish to partition G into connected components...
ISCAS
2005
IEEE
15 years 3 months ago
2005
IEEE
: Assume that each vertex of a graph G is either a supply vertex or a demand vertex and is assigned a positive integer, called a supply or a demand. Each demand vertex can receive ...
ICALP
2003
Springer
15 years 2 months ago
2003
Springer
The (k, r)-center problem asks whether an input graph G has ≤ k vertices (called centers) such that every vertex of G is within distance ≤ r from some center. In this paper we ...
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ICALP
2009
Springer
15 years 9 months ago
2009
Springer
We develop new structural results for apex-minor-free graphs and show their power by developing two new approximation algorithms. The first is an additive approximation for colorin...
STOC
1990
ACM
15 years 1 months ago
1990
ACM
ions (Extended Abstract) Noga Alon Paul Seymour Robin Thomas Let G be an n-vertex graph with nonnegative weights whose sum is 1 assigned to its vertices, and with no minor isomorp...