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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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On Le Jan-Sznitman’s stochastic approach to the Navier-Stokes equations
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by Radu Dascaliuc, Tuan N. Pham and Enrique Thomann;
Trans. Amer. Math. Soc. 377 (2024), 2335-2365
DOI: https://doi.org/10.1090/tran/8974
Published electronically: February 9, 2024

Abstract:

The paper explores the symbiotic relation between the Navier-Stokes equations and the associated stochastic cascades. Specifically, we examine how some well-known existence and uniqueness results for the Navier-Stokes equations can inform about the probabilistic features of the associated stochastic cascades, and how some probabilistic features of the stochastic cascades can, in turn, inform about the existence and uniqueness (or the lack thereof) of solutions. Our method of incorporating the stochastic explosion gives a simpler and more natural method to construct the solution compared to the original construction by Le Jan and Sznitman. This new stochastic construction is then used to show the finite-time blowup, non-existence of minimal blowup data, and non-uniqueness of the initial value problem for the Montgomery-Smith equation. We exploit symmetry properties inherent in our construction to give a simple proof of the global well-posedness results for small initial data in scale-critical Fourier-Besov spaces. We also obtain the pointwise convergence of the Picard iteration associated with the Fourier-transformed Navier-Stokes equations.
References
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Bibliographic Information
  • Radu Dascaliuc
  • Affiliation: Faculty of Math and Computing, Brigham Young University Hawaii, #1919, 55-220 Kulanui Street Bldg 5, Laie, Hawaii 96762-1293
  • MR Author ID: 723985
  • ORCID: 0000-0001-6383-6508
  • Email: tpham@byuh.edu
  • Tuan N. Pham
  • Affiliation: Department of Mathematics, Eastern Oregon University, La Grande, Oregon 97850
  • ORCID: 0000-0001-6911-7002
  • Email: tnpham@eou.edu
  • Enrique Thomann
  • Affiliation: Department of Mathematics, Oregon State University, Corvallis, Oregon 97331
  • MR Author ID: 242330
  • ORCID: 0000-0003-0972-1659
  • Email: enrique.thomann@oregonstate.edu
  • Received by editor(s): December 7, 2021
  • Received by editor(s) in revised form: October 10, 2022
  • Published electronically: February 9, 2024
  • © Copyright 2024 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 377 (2024), 2335-2365
  • MSC (2020): Primary 35C15, 35Q30, 60J80, 76B03
  • DOI: https://doi.org/10.1090/tran/8974
  • MathSciNet review: 4744760