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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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An obstacle problem arising in large exponent limit of power mean curvature flow equation
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by Qing Liu and Naoki Yamada PDF
Trans. Amer. Math. Soc. 372 (2019), 2103-2141 Request permission

Abstract:

We study limit behavior for the level-set power mean curvature flow equation as the exponent tends to infinity. Under Lipschitz continuity, quasiconvexity, and coercivity of the initial condition, we show that the limit of the viscosity solutions can be characterized as the minimal supersolution of an obstacle problem involving the $1$-Laplacian. Such behavior is closely related to applications of power mean curvature flow in image denoising. We also discuss analogous behavior for other evolution equations with related applications.
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Additional Information
  • Qing Liu
  • Affiliation: Department of Applied Mathematics, Fukuoka University, Fukuoka 814-0180, Japan
  • MR Author ID: 863178
  • Email: qingliu@fukuoka-u.ac.jp
  • Naoki Yamada
  • Affiliation: Department of Applied Mathematics, Fukuoka University, Fukuoka 814-0180, Japan
  • MR Author ID: 216327
  • Email: nyamada@math.sci.fukuoka-u.ac.jp
  • Received by editor(s): August 30, 2017
  • Received by editor(s) in revised form: July 31, 2018, and September 2, 2018
  • Published electronically: March 25, 2019
  • Additional Notes: The work of the first author was supported by Japan Society for the Promotion of Science (JSPS), Grant-in-Aid for Young Scientists, No. 16K17635, and by the grant from Central Research Institute of Fukuoka University, No. 177102.
  • © Copyright 2019 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 372 (2019), 2103-2141
  • MSC (2010): Primary 35K93, 53C44, 35D40, 35B40
  • DOI: https://doi.org/10.1090/tran/7717
  • MathSciNet review: 3976586