Axioms for maximal vectors of an oriented matroid; a combinatorial characterization of the regions determined by an arrangement of pseudohyperplanes

European Journal of Combinatorics - Tập 16 - Trang 125-145 - 1995
Ilda P.F da Silva1
1C.M.A.F./U.L., Av. Prof. Gama Pinto 2, 1699 Lisboa Codex, Portugal

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