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Physical Sciences and Mathematics Commons

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Mathematics

TÜBİTAK

Journal

2013

Attractor

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Full-Text Articles in Physical Sciences and Mathematics

Attractors For Parabolic Problems In Weighted Spaces, Xiaojun Li, Ying Tang Jan 2013

Attractors For Parabolic Problems In Weighted Spaces, Xiaojun Li, Ying Tang

Turkish Journal of Mathematics

The purpose of this paper is to investigate the asymptotic behavior of the solutions of parabolic equations with singular initial data in weighted spaces L^r_{\delta(x)}(\Omega) where \delta(x) is the distance to the boundary. We first establish the existence of the attractor for that equation in L^r_{\delta(x)}(\Omega) and then show the existence of the exponential attractor in L^2_{\delta(x)}(\Omega). In contrast to our previous results, we get the existence of attractors in weak topology spaces.