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Showing 1 to 1 of 1 for “"Subdivision of K5"”.
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Special TK5 in graphs containing K4-
Given a graph K, TK is used to denote a subdivision of K, which is a graph obtained from K by substituting some edges for paths. The well-known Kelmans-Seymour conjecture states that every nonplanar 5-connected graph contains TK5 . Ma and Yu proved the conjecture for graphs containing K4-. In this …