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Showing 1 to 1 of 1 for “"Minor exclusion"”.
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Excluding Two Minors of the Petersen Graph
… characterize those graphs which have no P_3 minor, where P_3 is a graph with 7 vertices, 12 edges, and is isomorphic to the graph created by contracting three edges of a perfect matching of the Petersen Graph. In Chapter 3, we determine the structure of any large internally 4-connected graph …