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Asymptotic behavior for logarithmic diffusion

J. Math. Phys. 50, 113518 (2009); doi:10.1063/1.3259207

Published 20 November 2009

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F. Salvarani
Dipartimento di Matematica, Università degli Studi di Pavia, Via Ferrata, 1-27100 Pavia, Italy
In this paper we prove, via the entropy dissipation method, that the solutions of the d-dimensional logarithmic diffusion equation, with nonhomogeneous Dirichlet boundary data, decay exponentially in time toward its own steady state. The result is valid not only in L1-norm (as customary when applying entropy dissipation methods) but also in any Lp-norm with p[is-an-element-of][1,+[infinity]). ©2009 American Institute of Physics
History: Received 12 April 2009; accepted 5 October 2009; published 20 November 2009
Permalink: http://link.aip.org/link/?JMAPAQ/50/113518/1
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KEYWORDS and PACS

Keywords
PACS
  • 05.60.-k
    Transport processes
  • 02.30.-f
    Function theory, analysis
  • 05.70.Ce
    Thermodynamic functions and equations of state
  • YEAR: 2009

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PUBLICATION DATA

ISSN:
0022-2488 (print)   1089-7658 (online)
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