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A characterization of signed graphs with generalized perfect elimination orderings

โœ Scribed by Koji Nuida


Book ID
108114191
Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
900 KB
Volume
310
Category
Article
ISSN
0012-365X

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We develop a constant time transposition "oracle" for the set of perfect elimination orderings of chordal graphs. Using this oracle, we can generate a Gray code of all perfect elimination orderings in constant amortized time using known results about antimatroids. Using clique trees, we show how the