Displaying similar documents to “Deciding soccer scores and partial orientations of graphs.”

Two linear time algorithms for MST on minor closed graph classes

Martin Mareš (2004)

Archivum Mathematicum

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This article presents two simple deterministic algorithms for finding the Minimum Spanning Tree in O ( | V | + | E | ) time for any non-trivial class of graphs closed on graph minors. This applies in particular to planar graphs and graphs of bounded genus. Both algorithms run on a pointer machine and they require no a priori knowledge of the structure of the class except for its density. Edge weights are only compared.

Cordial deficiency.

Riskin, Adrian (2007)

Bulletin of the Malaysian Mathematical Sciences Society. Second Series

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Helly Property for Subtrees

Jessica Enright, Piotr Rudnicki (2008)

Formalized Mathematics

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We prove, following [5, p. 92], that any family of subtrees of a finite tree satisfies the Helly property.MML identifier: HELLY, version: 7.8.09 4.97.1001