316 search results - page 48 / 64 » The chromatic covering number of a graph |
DM
2006
13 years 7 months ago
2006
A directed star forest is a forest all of whose components are stars with arcs emanating from the center to the leaves. The acircuitic directed star arboricity of an oriented grap...
SIAMCOMP
2000
13 years 7 months ago
2000
We consider the problem of designing a near-optimal linear decision tree to classify two given point sets B and W in n. A linear decision tree de nes a polyhedral subdivision of sp...
APPROX
2008
Springer
13 years 9 months ago
2008
Springer
Let H be a graph, and let CH(G) be the number of (subgraph isomorphic) copies of H contained in a graph G. We investigate the fundamental problem of estimating CH(G). Previous res...
DCC
2005
IEEE
14 years 7 months ago
2005
IEEE
We give an overview of some of the mathematical results of Dominique de Caen. These include a short proof of K?onig's theorem, results on Tur?an numbers, biclique partitions,...
FOCS
2009
IEEE
14 years 2 months ago
2009
IEEE
—We introduce a new tool for approximation and testing algorithms called partitioning oracles. We develop methods for constructing them for any class of bounded-degree graphs wit...