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ICALP
2009
Springer
14 years 10 months ago
Elimination Graphs
A graph is chordal if it does not contain any induced cycle of size greater than three. An alternative characterization of chordal graphs is via a perfect elimination ordering, whi...
Yuli Ye, Allan Borodin
FCT
2005
Springer
14 years 3 months ago
Exact Algorithms for Graph Homomorphisms
Graph homomorphism, also called H-coloring, is a natural generalization of graph coloring: There is a homomorphism from a graph G to a complete graph on k vertices if and only if ...
Fedor V. Fomin, Pinar Heggernes, Dieter Kratsch
APPROX
2009
Springer
107views Algorithms» more  APPROX 2009»
14 years 4 months ago
Approximations for Aligned Coloring and Spillage Minimization in Interval and Chordal Graphs
We consider the problem of aligned coloring of interval and chordal graphs. These problems have substantial applications to register allocation in compilers and have recently been ...
Douglas E. Carroll, Adam Meyerson, Brian Tagiku
WG
2001
Springer
14 years 2 months ago
Edge-Isoperimetric Problems for Cartesian Powers of Regular Graphs
We consider an edge-isoperimetric problem (EIP) on the cartesian powers of graphs. One of our objectives is to extend the list of graphs for whose cartesian powers the lexicograph...
Sergei L. Bezrukov, Robert Elsässer
AGTIVE
2003
Springer
14 years 3 months ago
A Demo of OptimixJ
OptimixJ is a graph rewrite tool that generates Java code from rewrite specifications. Java classes are treated as graph schemas, enabling OptimixJ to extend legacy Java applicati...
Uwe Aßmann, Johan Lövdahl