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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Louis Nirenberg, Courant Institute, New York (Stati Uniti)
A geometric problem and the Hopf Lemma
Wednesday, April 13 2005, at 17:00
Dipartimento di Matematica - Università degli Studi - Via Saldini 50 - Milano - Sala di Rappresentanza | |
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Francesco Baldassarri, Università di Padova
Towards an algebraic proof of Deligne's regularity criterion
Monday, April 04 2005, at 17:00
Dipartimento di Matematica - Università degli Studi - Via Saldini 50 - Milano - Sala di Rappresentanza | |
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Nicola Varopoulos, Université de Paris VI (Francia)
A classification of connected Lie groups in three different but equivalent ways
Monday, March 14 2005, at 16:00
Dipartimento di Matematica e Applicazioni - Università degli Studi di Milano Bicocca - Via Cozzi, 53 - Aula 3014 | |
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Joseph McKenna, University of Connecticut (Stati Uniti)
Semilinear equations in analysis and mechanics: some history and recent progress
Wednesday, March 09 2005, at 17:00
Dipartimento di Matematica - Politecnico di Milano - Via Bonardi 9 - Milano - Aula Seminari VI piano | |
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Filomena Pacella, Università di Roma La Sapienza
Unicità della soluzione positiva di problemi ellittici semilineari e relativi problemi di autovalori
Tuesday, March 08 2005, at 17:00
Dipartimento di Matematica - Politecnico di Milano - Via Bonardi 9 - Milano - Aula Seminari VI piano | |
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