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Friday, November 14, 2014

**Abstract:** Hyperplane arrangements can be studied from a geometric or topological perspective, as well as from an algebraic or combinatorial one. We will discuss some of these perspectives and look at some examples. Our aim is to get a feel for the subject and maybe try to get a handle on the big picture. Time permitting, we look at a specific question about the topological complexity of an arrangement complement, and whether this invariant can be computed algebraically.