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165
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GC
2002
Springer
15 years 4 months ago
2002
Springer
Given a graph on n vertices which is the union of two comparability graphs on the same vertex set, it always contains a clique or independent set of size n 1 3 . On the other hand...
146
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GD
2006
Springer
15 years 8 months ago
2006
Springer
Tree decompositions of graphs are of fundamental importance in structural and algorithmic graph theory. Planar decompositions generalise tree decompositions by allowing an arbitrar...
150
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ICARIS
2003
Springer
15 years 9 months ago
2003
Springer
Within immunology, new theories are constantly being proposed that challenge current ways of thinking. These include new theories regarding how the immune system responds to pathog...
126
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CONTEXT
2003
Springer
15 years 9 months ago
2003
Springer
This paper discusses the dynamic of context through the use of a context-based formalism called contextual graphs that has been initially developed in the SART application for the ...
133
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JCT
1998
15 years 4 months ago
1998
The aim of this note is to point out some combinatorial applications of a lemma of Scarf, proved first in the context of game theory. The usefulness of the lemma in combinatorics...