Sidebar

seminars:comb:abstract.202003epp

Title: Extension Spaces of Strongly Euclidean Oriented Matroids

Combinatorics Seminar, Tuesday, March 10, 2020

Following work of B. Sturmfels and G. Ziegler, I give a proof that the extension space of a strongly euclidean oriented matroid of rank $r$ is homotopy equivalent to the $(r-1)$-sphere.