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2024-08-07
Two Bijections on NBC Subsets
Houshan FuBaoren PengSuijie WangJinxing Yang
文献摘要
We establish two explicit bijections: from acyclic reorientations of an oriented matroid to no broken circuit (NBC) subsets of its underlying matroid, and from regions of a real hyperplane arrangement to its affine NBC subsets.
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