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Freeways and Circle Packing
October 2, 2019 @ 4:15 pm - 5:15 pm
The beauty of mathematics is often encountered when one discovers that two apparently very different phenomena actually share a common origin. I will discuss such a surprising connection between two apparently unrelated mathematical objects. One is purely combinatorial: the number of ways one can drive from USC to the Claremont Colleges. The other one is geometric: the Ford circle packing, a pretty configuration of circles in the plane with interesting number theoretic properties.