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Non Uniqueness of Power-Law Flows

Burczak, Jan ; Modena, Stefano ; Székelyhidi, László (2021)
Non Uniqueness of Power-Law Flows.
In: Communications in Mathematical Physics, 388 (1)
doi: 10.1007/s00220-021-04231-7
Article, Bibliographie

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Abstract

We apply the technique of convex integration to obtain non-uniqueness and existence results for power-law fluids, in dimension d >= 3. For the power index q below the compactness threshold, i.e. q ∈ (1, 2d/d+2), we show ill-posedness of Leray–Hopf solutions. For a wider class of indices q ∈ (1, 3d+2/d+2) we show ill-posedness of distributional (non-Leray–Hopf) solutions, extending the seminal paper of Buckmaster & Vicol [10]. In this wider class we also construct non-unique solutions for every datum in L²

Item Type: Article
Erschienen: 2021
Creators: Burczak, Jan ; Modena, Stefano ; Székelyhidi, László
Type of entry: Bibliographie
Title: Non Uniqueness of Power-Law Flows
Language: English
Date: November 2021
Place of Publication: Berlin ; Heidelberg
Publisher: Springer
Journal or Publication Title: Communications in Mathematical Physics
Volume of the journal: 388
Issue Number: 1
DOI: 10.1007/s00220-021-04231-7
Corresponding Links:
Abstract:

We apply the technique of convex integration to obtain non-uniqueness and existence results for power-law fluids, in dimension d >= 3. For the power index q below the compactness threshold, i.e. q ∈ (1, 2d/d+2), we show ill-posedness of Leray–Hopf solutions. For a wider class of indices q ∈ (1, 3d+2/d+2) we show ill-posedness of distributional (non-Leray–Hopf) solutions, extending the seminal paper of Buckmaster & Vicol [10]. In this wider class we also construct non-unique solutions for every datum in L²

Uncontrolled Keywords: Theoretical, Mathematical and Computational Physics, Mathematical Physics, Quantum Physics, Complex Systems, Classical and Quantum Gravitation, Relativity Theory
Classification DDC: 500 Science and mathematics > 510 Mathematics
Divisions: 04 Department of Mathematics
04 Department of Mathematics > Analysis
Date Deposited: 19 Mar 2024 10:47
Last Modified: 19 Mar 2024 10:47
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