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Caltech

Combinatorics Seminar

Wednesday, October 26, 2016
4:30pm to 5:30pm
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Cokernels of Random Matrices and Sandpile Groups
Nathan Kaplan, Department of Mathematics, University of California, Irvine,
The sandpile group of a graph can be defined as the cokernel of its reduced Laplacian. Families of graphs then give rise to families of matrices and we would like to understand the distribution of their cokernels. We will discuss results about cokernels of random matrices and sandpile groups of random graphs, and describe connections to the Cohen-Lenstra heuristics from number theory.
For more information, please contact Mathematics Department by phone at 4335 or by email at [email protected].