What is ... a (complex) hyperplane arrangement?

This page hosts information on Arnau Padrol Sureda's talk "What is ... a (complex) hyperplane arrangement?" at the "What is ...?" seminar. The talk will take place on Friday, November 28, 1:00pm at the BMS Loft at Urania. This talk will help you better understand the talk by Anders Björner, which will start at 2pm.


Every arrangement of real linear hyperplanes induces a decomposition of the sphere into cells. We will study the combinatorics of such a decomposition (explained by an oriented matroid) and define an analogous notion for complex hyperplane arrangements.


Topic revision: r1 - 25 Nov 2014, MimiTsuruga
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