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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Two approaches to minimax formula of the additive eigenvalue for quasiconvex Hamiltonians
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by Atsushi Nakayasu PDF
Proc. Amer. Math. Soc. 147 (2019), 701-710 Request permission

Abstract:

Two different proofs for an inf-sup type representation formula (minimax formula) of the additive eigenvalues corresponding to first-order Hamilton–Jacobi equations are given for quasiconvex (level-set convex) Hamiltonians not necessarily convex. The first proof, which is similar to known proofs for convex Hamiltonians, invokes a Jensen-like inequality for quasiconvex functions instead of the standard Jensen’s inequality. The second proof is completely different with elementary calculations. It is based on the convergence of derivatives of mollified Lipschitz continuous functions whose proof is also given. These methods also relate to an approximation problem of viscosity solutions.
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Additional Information
  • Atsushi Nakayasu
  • Affiliation: Graduate School of Mathematical Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo, 153-8914 Japan
  • MR Author ID: 1057585
  • Email: ankys@ms.u-tokyo.ac.jp
  • Received by editor(s): December 21, 2014
  • Received by editor(s) in revised form: May 8, 2018
  • Published electronically: October 12, 2018
  • Additional Notes: The work of the author was supported by a Grant-in-Aid for JSPS Fellows No. 25-7077 and the Program for Leading Graduate Schools, MEXT, Japan.
  • Communicated by: Yingfei Yi
  • © Copyright 2018 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 147 (2019), 701-710
  • MSC (2010): Primary 35F21; Secondary 49L25, 26B25, 26B05
  • DOI: https://doi.org/10.1090/proc/14280
  • MathSciNet review: 3894909