# Jerusalem Mathematics Colloquium

Thursday, 6th March 2008, 4:00 pm

Mathematics Building, Lecture Hall 2

##

Gady Kozma

(Technion)

"One cannot hear the winding number"

** Abstract: **We construct an example of two continuous functions from the circle to
itself with identical absolute value of the Fourier coefficients, and
different winding numbers, answering a question of Brezis. Joint work with
Jean Bourgain.

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

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