Thursday, 29th December 2005, 4:00 pm

Mathematics Building, Lecture Hall 2

Assaf Naor

(Microsoft Research)

"Bi-Lipschitz and coarse invariants"

** Abstract: **
In this talk we will discuss the problem of finding
geometric invariants of metric spaces which can be used to
prove bi-Lipschitz and coarse non-embeddability
results. This topic is largely motivated by recent
applications to geometric group theory and theoretical
computer science, as well as Banach space theory, from
which many of the problems and methods originated. In
particular, we will discuss ways to transfer the theory of
type, cotype and uniform convexity to the context of
arbitrary metric spaces, and present some applications to
embedding theory and the Lipschitz extension problem.

Light refreshments will be served in the faculty lounge at 3:30.

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