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Transactions of the American Mathematical Society

Published by the American Mathematical Society since 1900, Transactions of the American Mathematical Society is devoted to longer research articles in all areas of pure and applied mathematics.

ISSN 1088-6850 (online) ISSN 0002-9947 (print)

The 2020 MCQ for Transactions of the American Mathematical Society is 1.48.

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Asymptotic behavior for a semilinear second order evolution equation
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by Chunyou Sun, Lu Yang and Jinqiao Duan PDF
Trans. Amer. Math. Soc. 363 (2011), 6085-6109 Request permission

Abstract:

This paper is devoted to the qualitative analysis for a second order evolution equation $u_{tt}-\Delta u-\Delta u_t -\varepsilon \Delta u_{tt}+ f(u)=g(x)$ $(\varepsilon \in [0,1])$ with critical nonlinearity. Some uniformly (w.r.t. $\varepsilon \in [0,1]$) asymptotic regularity about the solutions has been established for both $g(x)\in L^2(\Omega )$ and $g(x)\in H^{-1}$, which shows that the solutions are exponentially approaching a more regular fixed subset uniformly (w.r.t. $\varepsilon \in [0,1]$). As an application of this regularity result, a family $\{\mathcal {E}_{\varepsilon }\}_{\varepsilon \in [0,1]}$ of finite dimensional exponential attractors has been constructed. Moreover, to characterize the relation with a strongly damped wave equation ($\varepsilon =0$), the upper semicontinuity, at $\varepsilon =0$, of the global attractors has been proved.
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Additional Information
  • Chunyou Sun
  • Affiliation: School of Mathematics and Statistics, Lanzhou University, Lanzhou, 730000, People’s Republic of China
  • ORCID: 0000-0003-3770-7651
  • Email: sunchunyou@gmail.com;sunchy@lzu.edu.cn
  • Lu Yang
  • Affiliation: School of Mathematics and Statistics, Lanzhou University, Lanzhou, 730000, People’s Republic of China
  • Email: yanglu@lzu.edu.cn
  • Jinqiao Duan
  • Affiliation: Department of Applied Mathematics, Illinois Institute of Technology, Chicago, Illinois 60616
  • Email: duan@iit.edu
  • Received by editor(s): September 23, 2009
  • Received by editor(s) in revised form: March 15, 2010
  • Published electronically: May 25, 2011
  • Additional Notes: This work was supported by the NSFC Grants 10601021 and 10926089, the Fund of Physics & Mathematics of Lanzhou University Grants LZULL200801 and LZULL200903, and the Fundamental Research Funds for the Central Universities Grant lzujbky-2009-48
  • © Copyright 2011 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 363 (2011), 6085-6109
  • MSC (2010): Primary 35G25, 35B40, 35B41
  • DOI: https://doi.org/10.1090/S0002-9947-2011-05373-0
  • MathSciNet review: 2817420