# Rainbow matchings.

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Ron Aharoni , Haifa University
Fine Hall 224

Given a family F_1,...,F_m of sets of edges in a graph or hypergraph, a rainbow matching'' is a choice of disjoint edgese_1 in F_1,..., e_m in F_m.  The talk is on open problems regarding this notion, some old and some new results, and what topology has to contribute to the subject.