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| Speaker: |
Roberto Conti, U. Sapienza, Roma
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| Title: |
Fourier series and twisted crossed products
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| Abstract: |
For a discrete group \(G\), we discuss norm-convergence properties
and resummation techniques for the Fourier series of elements
in the twisted reduced \(C^*\)-algebra of \(G\). We then illustrate "versions
with coefficients" of the above results, i.e. for Fourier expansion
in a twisted reduced crossed product. As an application, we get
some useful information on the (maximal) ideal structure of certain twisted crossed products.
(Joint work with E. Bedos)
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G |
ruppo di |
R |
icerca |
E |
uropeo |
F |
ranco- |
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taliano in |
GE |
ometria |
N |
on |
CO |
mmutativa |
| roupement de |
echerche |
uropéen |
ranco |
talien en |
ométrie |
on |
mmutative |
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