Anton Baranov, Saint Petersburg State University
Spectral synthesis for systems of exponentials and reproducing kernels
Thursday, February 07 2019, at 16:00
Sala di Rappresentanza, Dipartimento di Matematica, Via C. Saldini 50, Milano | |
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Guido Kings, Università di Regensburg
The Birch-Swinnerton-Dyer conjecture, some recent progress
Monday, January 07 2019, at 16:00
Aula C, Dipartimento di Matematica, Via C. Saldini 50, Milano | |
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Arkady Tsinober, Tel Aviv University
Turbulence versus Mathematics and vice versa
Tuesday, December 04 2018, at 16:00
Aula 3015 del Dipartimento di Matematica e Applicazioni dell'Università di Milano - Bicocca | |
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Shigefumi Mori, Kyoto University Institute of Advanced Study
BIRATIONAL EQUIVALENCE OF ALGEBRAIC VARIETIES
Monday, November 26 2018, at 16:30
Aula Chisini, Diparimento di Matematica, Via C. Saldini 50 | |
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Terence Tao, University of California, Los Angeles
VAPORIZING AND FREEZING THE RIEMANN ZETA FUNCTION
Friday, June 22 2018, at 14:30
Edificio U4, P.zza della Scienza, 4, Aula Luisella Sironi | |
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Zeljko Cuckovic, University of Toledo
The essential norm estimates of Hankel and the $\overline\partial$-Neumann operators
Friday, June 01 2018, at 11:00
Sala di Rappresentanza, Università di Milano, Via C. Saldini 50, Milano |
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Abstract
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Compactness of the $\overline\partial$-Neumann operator is
closely connected to the compactness of Hankel operators on the Bergman
space. At first, for convex domains in $\mathbb{C}^n$, we use the
$\overline\partial$ methods to relate the compactness of a Hankel
operator to the boundary behavior of its symbol. In the absence of
compactness, we give the essential norm estimates of Hankel operators.
This in turn, led us to obtain the essential norm estimates for the
$\overline\partial$-Neumann operator on convex domains. (This is joint
work with Sonmez Sahutoglu) |
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