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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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A Fokker-Planck type approximation of parabolic PDEs with oblique boundary data
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by Damon Alexander and Inwon Kim PDF
Trans. Amer. Math. Soc. 368 (2016), 5753-5781 Request permission

Abstract:

We consider solutions of quasi-linear parabolic PDEs with zero oblique boundary data in a bounded domain. Our main result states that the solutions can be approximated by solutions of a Fokker-Planck type PDE in the whole space with a penalizing drift term which also converges to zero outside the original domain. The convergence is locally uniform, and optimal error estimates are obtained.
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Additional Information
  • Damon Alexander
  • Affiliation: Department of Mathematics, University of California Los Angeles, Los Angeles, California 90095-1555
  • Email: d.alexander6@gmail.com
  • Inwon Kim
  • Affiliation: Department of Mathematics, University of California Los Angeles, Los Angeles, California 90095-1555
  • MR Author ID: 684869
  • Email: ikim@math.ucla.edu
  • Received by editor(s): February 17, 2014
  • Received by editor(s) in revised form: May 2, 2014, and July 18, 2014
  • Published electronically: August 20, 2015
  • © Copyright 2015 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 368 (2016), 5753-5781
  • MSC (2010): Primary 35K55
  • DOI: https://doi.org/10.1090/tran/6521
  • MathSciNet review: 3458398