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Thursday, October 4, 2018

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Thursday, October 4, 2018 1:30 PM EDT

Title: Controllable graphs

Speaker:   Chris Godsil Affiliation: University of Waterloo Room: MC 6486

Abstract: A graph is controllable if no eigenvector is orthogonal to the all-ones vector.

Thursday, October 4, 2018 3:30 PM EDT

Title: Representable orientable matroids that are not real-representable

Speaker:  Rutger Campbell Affiliation: University of Waterllo Room: MC 5417

Abstract: In this talk we will have a brief introduction to oriented matroids and their relation to real-representability.

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