Randomly Pk-decomposable graphs |
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Authors: | Robert Molina Myles McNally |
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Institution: | Alma College, 614 W. Superior St., Alma, MI 48801, United States |
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Abstract: | A graph is -decomposable if it can be expressed as an edge-disjoint union of subgraphs, each subgraph isomorphic to . If has the additional property that every -decomposable subgraph of is part of an -decomposition of , then is randomly -decomposable. Using computer assistance, we provide in this paper a characterization of randomly path-decomposable graphs for paths of length 11 or less. We also prove the following two results: (1) With one small exception, randomly -decomposable graphs with a vertex of odd degree do not contain a -subgraph, (2) When the edges of a -subgraph are deleted from a connected randomly -decomposable graph, the resulting graph has at most one nontrivial component. |
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