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COMBINATORICA
2007
148views more  COMBINATORICA 2007»
13 years 5 months ago
Colored graphs without colorful cycles
A colored graph is a complete graph in which a color has been assigned to each edge, and a colorful cycle is a cycle in which each edge has a different color. We first show that ...
Richard N. Ball, Ales Pultr, Petr Vojtechovsk&yacu...
EJC
2007
13 years 5 months ago
Colorful subgraphs in Kneser-like graphs
Gábor Simonyi, Gábor Tardos
ISCAS
2003
IEEE
124views Hardware» more  ISCAS 2003»
13 years 11 months ago
Convergent transfer subgraph characterization and computation
In this paper, we present a precise characterization of the existence of a convergent transfer subgraph in an edge colored directed acyclic graph. Based on the characterization, l...
Wing Ning Li
RSA
2011
89views more  RSA 2011»
13 years 21 days ago
Excluding induced subgraphs: Critical graphs
Determining the cardinality and describing the structure of H-free graphs is wellinvestigated for many graphs H. In the nineties, Prömel and Steger proved that for a graph H with...
József Balogh, Jane Butterfield