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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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Strong convergence to the homogenized limit of elliptic equations with random coefficients
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by Joseph G. Conlon and Thomas Spencer PDF
Trans. Amer. Math. Soc. 366 (2014), 1257-1288 Request permission

Abstract:

Consider a discrete uniformly elliptic divergence form equation on the $d$ dimensional lattice $\mathbf {Z}^d$ with random coefficients. It has previously been shown that if the random environment is translational invariant, then the averaged Green’s function, together with its first and second differences, are bounded by the corresponding quantities for the constant coefficient discrete elliptic equation. It has also been shown that if the random environment is ergodic, then solutions of the random equation converge under diffusive scaling to solutions of a homogenized elliptic PDE on $\mathbf {R}^d$. In this paper point-wise estimates are obtained on the difference between the averaged Green’s function and the homogenized Green’s function for certain random environments which are strongly mixing.
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Additional Information
  • Joseph G. Conlon
  • Affiliation: Department of Mathematics, University of Michigan, Ann Arbor, Michigan 48109-1109
  • Email: conlon@umich.edu
  • Thomas Spencer
  • Affiliation: School of Mathematics, Institute for Advanced Study, Princeton, New Jersey 08540
  • Email: spencer@math.ias.edu
  • Received by editor(s): March 1, 2011
  • Received by editor(s) in revised form: November 23, 2011
  • Published electronically: October 23, 2013
  • © Copyright 2013 American Mathematical Society
    The copyright for this article reverts to public domain 28 years after publication.
  • Journal: Trans. Amer. Math. Soc. 366 (2014), 1257-1288
  • MSC (2010): Primary 81T08, 82B20, 35R60, 60J75
  • DOI: https://doi.org/10.1090/S0002-9947-2013-05762-5
  • MathSciNet review: 3145731