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- W3037246275 abstract "A split of a polytope $P$ is a (regular) subdivision with exactly two maximal cells. It turns out that each weight function on the vertices of $P$ admits a unique decomposition as a linear combination of weight functions corresponding to the splits of $P$ (with a split prime remainder). This generalizes a result of Bandelt and Dress [Adv. Math. 92 (1992)] on the decomposition of finite metric spaces. Introducing the concept of compatibility of splits gives rise to a finite simplicial complex associated with any polytope $P$, the split complex of $P$. Complete descriptions of the split complexes of all hypersimplices are obtained. Moreover, it is shown that these complexes arise as subcomplexes of the tropical (pre-)Grassmannians of Speyer and Sturmfels [Adv. Geom. 4 (2004)]." @default.
- W3037246275 created "2020-07-02" @default.
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- W3037246275 date "2008-05-06" @default.
- W3037246275 modified "2023-09-23" @default.
- W3037246275 title "Splitting Polytopes" @default.
- W3037246275 hasPublicationYear "2008" @default.
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