[Amath-seminars] NARC Seminar Today: Anne Greenbaum

Robert Baraldi rbaraldi at uw.edu
Thu Mar 2 11:16:38 PST 2017

Hi everyone,

Don't forget to come to NARC today!

Anne Greenbaum will be speaking about a recently submitted paper by Michel
Crouzeix and César Palencia titled "The numerical range as a spectral set".

It is shown that the numerical range of a linear operator in Hilbert space
is a (complete) (1+sqrt(2))-spectral set. The proof relies, among other
things, in the behavior of the Cauchy transform of the conjugates of
holomorphic functions.


1:30-2:30pm, Lewis 208
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