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Title: On Donuts and Quasigraphic matroidsSpeaker: Peter Nelson Affiliation: University of Waterloo Room: MC 5417
Quasigraphic matroids are graph-like objects that give a common generalization of lift and frame matroids. Donuts are edible topological surfaces. I will talk about a surprising link between these two types of object, assuming no prior knowledge of quasigraphic matroids or donuts.