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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 2024 MCQ for Transactions of the American Mathematical Society is 1.48 .

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Long time dynamics of electroconvection in bounded domains
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by Elie Abdo and Mihaela Ignatova;
Trans. Amer. Math. Soc. 378 (2025), 2187-2245
DOI: https://doi.org/10.1090/tran/9344
Published electronically: December 27, 2024

Abstract:

We discuss nonlinear nonlocal equations with fractional diffusion describing electroconvection phenomena in incompressible viscous fluids. We prove the global well-posedness, global regularity and long time dynamics of the model in bounded smooth domains with Dirichlet boundary conditions. We prove the existence and uniqueness of exponentially decaying in time solutions for $H^1$ initial data regardless of the fractional dissipative regularity. In the presence of time independent body forces in the fluid, we prove the existence of a compact finite dimensional global attractor. In the case of periodic boundary conditions, we prove that the unique smooth solution is globally analytic in time, and belongs to a Gevrey class of functions that depends on the dissipative regularity of the model.
References
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Bibliographic Information
  • Elie Abdo
  • Affiliation: Department of Mathematics, University of California Santa Barbara, California 93106
  • MR Author ID: 1449548
  • Email: elieabdo@ucsb.edu
  • Mihaela Ignatova
  • Affiliation: Department of Mathematics, Temple University, Philadelphia, Pennsylvania 19122
  • MR Author ID: 903767
  • ORCID: 0000-0002-1461-7365
  • Email: ignatova@temple.edu
  • Received by editor(s): March 10, 2024
  • Received by editor(s) in revised form: September 29, 2024
  • Published electronically: December 27, 2024
  • Additional Notes: The work of the second author was partially supported by NSF grant DMS 2204614.
  • © Copyright 2024 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 378 (2025), 2187-2245
  • MSC (2020): Primary 35Q35, 35Q30, 35R11
  • DOI: https://doi.org/10.1090/tran/9344