[Amath-seminars] Thursday Seminar, Room 208 Lewis, 4-5 pm,
Loyce M. Adams
lma3 at uw.edu
Mon Jan 8 17:21:59 PST 2018
Our first Thursday seminar this quarter will be January 11th from
4 to 5 pm in the Fred Wan Conference Room, 208, Lewis Hall. It will
be given by Professor Greenbaum's visitor Professor Chi-Kwong Li.
Title and abstract are below.
--- Loyce Adams
Time: January 11, 2018
Place: Fred Wan Conference Room 208, Lewis Hall
Title: The numerical range of a convex set of matrices.
Department of Mathematics, College of William and Mary,
IQC, University of Waterloo.
Abstract: Let S be a convex set of matrices, and let
W(S) be the set of complex numbers of the form
(Ax,x) for a matrix A in S, and a unit vector x.
We study the geometrical properties such as
the convexity and star-shapedness of the set W(S).
The connection of the study to the Crouzeix's conjecutre
and quantum information science will be mentioned.
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