Lefschetz and Lower Bound theorems for Minkowski sums

Abstract

This note provides a Lefschetz theorem for Minkowski sums of polytopes, and conclude lower bound theorems for Minkowski sums of polytopes. It is written as an appendix to arXiv:1405.7368, so notation and references follow that paper.

arXiv comment3 pages, simplified proof and generalization to nonpure collections

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