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Advances in mathematics, v.290, 2016년, pp.1 - 14
Holmsen, A.F.
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We prove the following "matroid intersection" theorem: Let M be a matroid with rank function rho and let O be an oriented matroid of rank r, both defined on the same ground set V and satisfying rho(V) > r. If every subset S subset of V with rho(V \ S) < r contains a positive circuit of O, then there...
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