Louis H. Kauffman, University of Illinois, Chicago (Stati Uniti) Rational knots, rational tangles and DNA Thursday, July 07 2005, at 17:00 Dipartimento di Matematica e Applicazioni - Università degli Studi di Milano Bicocca - Via Cozzi, 53 - Aula 3014 | |
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David Kazhdan, Harvard University and Einstein Institute, Hebrew University (Stati Uniti) The Fourier transform over the p-adic domain Wednesday, June 29 2005, at 17:00 Dipartimento di Matematica - Università degli Studi - Via Saldini 50 - Milano - Sala di Rappresentanza | |
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Jan Trlifaj, Univerzita Karlova, Praga (Repubblica Ceca) Infinite dimensional tilting theory and its applications Monday, June 13 2005, at 17:00 Dipartimento di Matematica - Università degli Studi di Milano - Via Saldini 50 - Milano - Aula 8 | |
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Michael Ortiz, California Institute of Technology, Pasadena (Stati Uniti) Multiscale problems in crystal plasticity Monday, June 06 2005, at 17:00 Dipartimento di Matematica - Politecnico di Milano - Via Bonardi 9 - Milano - Aula Seminari III piano | |
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Mauro Spera, Università di Padova Alcuni aspetti simplettici della teoria dei nodi Monday, May 02 2005, at 15:00 Dipartimento di Matematica e Applicazioni - Università degli Studi di Milano Bicocca - Via Cozzi, 53 - Aula 3014 | |
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Igor Chueshov, Kharkov National University (Ucraina) Long-time behaviour of nonlinearly damped semilinear wave equation Monday, April 18 2005, at 17:00 Dipartimento di Matematica - Università degli Studi - Via Saldini 50 - Milano - Sala di Rappresentanza |
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Abstract
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We present a new approach for proving of existence and finite-dimensionality of global attractors for infinite-dimensional dissipative systems generated by abstract nonlinear second order in time evolution equations. This approach is based on far reaching generalizations of the Ceron-Lopes theorem on asymptotic compactness and Ladyzhenskaya's theorem on the dimension of invariant sets. An application of our results to nonlinear damped wave equations allow us to obtain new results pertaining to structure and properties of global attractors for nonlinear waves. |
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