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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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Global existence and stability for the 2D Oldroyd-B model with mixed partial dissipation
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by Wen Feng, Weinan Wang and Jiahong Wu PDF
Proc. Amer. Math. Soc. 150 (2022), 5321-5334 Request permission

Abstract:

This paper focuses on a two-dimensional incompressible Oldroyd-B model with mixed partial dissipation. The goal here is to establish the small data global existence and stability in the Sobolev space $H^2(\mathbb R^2)$. The velocity equation itself, without coupling with the equation of the non-Newtonian stress tensor, is an anisotropic 2D Navier-Stokes whose solutions are not known to be stable in Sobolev spaces due to potential rapid growth in time. By unearthing the hidden wave structure of the system and exploring the smoothing and stabilizing effect of the non-Newtonian stress tensor on the fluid, we are able to solve the desired global existence and stability problem.
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Additional Information
  • Wen Feng
  • Affiliation: Department of Mathematics, 5795 Lewiston Rd, Niagara University, New York 14109
  • Email: wfeng@niagara.edu
  • Weinan Wang
  • Affiliation: Department of Mathematics, University of Arizona, Tucson, Arizona 85721
  • MR Author ID: 1314789
  • Email: weinanwang@math.arizona.edu
  • Jiahong Wu
  • Affiliation: Department of Mathematics, Oklahoma State University, Stillwater, Oklahoma 74078
  • MR Author ID: 367820
  • ORCID: 0000-0001-9496-9709
  • Email: jiahong.wu@okstate.edu
  • Received by editor(s): January 7, 2021
  • Received by editor(s) in revised form: February 12, 2022
  • Published electronically: June 16, 2022
  • Additional Notes: The second author was partially supported by an AMS-Simons Travel Grant. The third author was partially supported by the National Science Foundation of the United States (DMS 2104682) and the AT&T Foundation at Oklahoma State University.
  • Communicated by: Ariel Barton
  • © Copyright 2022 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 150 (2022), 5321-5334
  • MSC (2020): Primary 35Q30, 35Q35, 35Q92
  • DOI: https://doi.org/10.1090/proc/16039