Essential chains and homotopy type of posets

Björner, Anders

doi:10.1090/S0002-9939-1992-1140664-6

Essential chains and homotopy type of posets
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Proc. Amer. Math. Soc. 116 (1992), 1179-1181 Request permission

Abstract:

A short proof of a result of Billera, Kapranov, and Sturmfels (Cellular strings on polytopes, preprint, 1991), verifying a homotopy type conjecture of Baues (Geometry of loop spaces and the cobar construction, Mem. Amer. Math. Soc., no. 230, 1980), is given.

References

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Oriented matroids

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