Separoids, their categories and a Hadwiger-type theorem for transversals

被引:12
|
作者
Arocha, JL [1 ]
Bracho, J [1 ]
Montejano, L [1 ]
Oliveros, D [1 ]
Strausz, R [1 ]
机构
[1] Univ Nacl Autonoma Mexico, Inst Matemat, Mexico City 04510, DF, Mexico
关键词
D O I
10.1007/s00454-001-0075-2
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
In this paper we study the topology of transversals to a family of convex sets as a subset of a Grassmanian manifold. This topology seems to be ruled by a combinatorial structure which we call a separoid. With these combinatorial objects and the topological notion of virtual transversal we prove a Borsuk-Ulam-type theorem which has as a corollary a generalization of Hadwiger's theorem.
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页码:377 / 385
页数:9
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