Pure Maths Colloquium: Property tau
20 February 2006 16:00 in CM221
"How can one construct computer networks without bottlenecks? Is there a method of efficiently shuffling a pack of cards? How does the spectrum of the Laplacian on a manifold behave under finite-sheeted covers? How can one detect `large' groups? Do hyperbolic 3-manifolds contain essential surfaces? In my talk, I will show how these questions are all related to an intriguing concept known as `Property tau'."
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