Calendar of Events
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Odd subgraphs are odd (Asaf Ferber, UC Irvine)
Odd subgraphs are odd (Asaf Ferber, UC Irvine)
In this talk we discuss some problems related to finding large induced subgraphs of a given graph G which satisfy some degree-constraints (for example, all degrees are odd, or all degrees are j mod k, etc). We survey some classical results, present some interesting and challenging problems, and sketch solutions to some of them. This […]
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A tribute to Professor Ellis Cumberbatch (1934-2021)
A tribute to Professor Ellis Cumberbatch (1934-2021)
Title: A tribute to Professor Ellis Cumberbatch (1934-2021) Abstract: The math colloquium on December 1st will be devoted to remembrances of our beloved CGU colleague Professor Ellis Cumberbatch, a pillar of the Claremont mathematics community, who passed away in September. Three brief talks by his friends and collaborators, Professor John Ockendon (University of Oxford), Dr. […]
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Difference sets in higher dimensions (David Conlon, Cal Tech)
Difference sets in higher dimensions (David Conlon, Cal Tech)
Let d >= 2 be a natural number. We determine the minimum possible size of the difference set A-A in terms of |A| for any sufficiently large finite subset A of R^d that is not contained in a translate of a hyperplane. By a construction of Stanchescu, this is best possible and thus resolves an […]
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Where do Putnam problems come from? (Prof. Andrew Bernoff)
Where do Putnam problems come from? (Prof. Andrew Bernoff)
Title: Where do Putnam problems come from? Speaker: Andrew Bernoff, Department of Mathematics, Harvey Mudd College Abstract: The William Lowell Putnam Exam is the preeminent mathematics competition for undergraduate college students in the United States and Canada. I recently finished a three year stint on the competition’s problem committee. This talk is a personal reflection on […]