491 search results - page 46 / 99 » On cyclically orientable graphs |
JCT
2008
13 years 8 months ago
2008
Given an undirected hypergraph and a subset of vertices S V with a specified root vertex r S, the STEINER ROOTED-ORIENTATION problem is to find an orientation of all the hypered...
EMMCVPR
2007
Springer
14 years 2 months ago
2007
Springer
Classic mosaic is one of the oldest and most durable art forms. There has been a growing interest in simulating classic mosaics from digital images recently. To be visually pleasin...
CCCG
2010
13 years 10 months ago
2010
Three types of geometric structure--grid triangulations, rectangular subdivisions, and orthogonal polyhedra-can each be described combinatorially by a regular labeling: an assignm...
NETWORKS
2006
13 years 8 months ago
2006
In a bidirected graph, each end of each edge is independently oriented. We show how to express any column of the incidence matrix as a half-integral linear combination of any colum...
FCT
2005
Springer
14 years 2 months ago
2005
Springer
: In this paper, we investigate the problem to find an acyclic subhypergraph in a given hypergraph, which is an extension to find a tree in a graph. First, we introduce a spannin...