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The primitive equations in the scaling-invariant space L∞(L1)

Giga, Yoshikazu ; Gries, Mathis ; Hieber, Matthias ; Hussein, Amru ; Kashiwabara, Takahito (2021)
The primitive equations in the scaling-invariant space L∞(L1).
In: Journal of Evolution Equations, 21 (4)
doi: 10.1007/s00028-021-00716-z
Article, Bibliographie

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Abstract

Consider the primitive equations on R² × (z₀, z₁) with initial data a of the form a = a₁ + a₂, where a₁ ∈ BUCσ (R²; L¹(z₀, z₁)) and a₂ ∈ L∞ σ (R²; L¹(z₀, z₁)). These spaces are scaling-invariant and represent the anisotropic character of these equations. It is shown that for a₁ arbitrary large and a₂ sufficiently small, this set of equations admits a unique strong solution which extends to a global one and is thus strongly globally well posed for these data provided a is periodic in the horizontal variables. The approach presented depends crucially on mapping properties of the hydrostatic Stokes semigroup in the L∞(L¹)-setting. It can be seen as the counterpart of the classical iteration schemes for the Navier–Stokes equations, now for the primitive equations in the L∞(L¹)-setting.

Item Type: Article
Erschienen: 2021
Creators: Giga, Yoshikazu ; Gries, Mathis ; Hieber, Matthias ; Hussein, Amru ; Kashiwabara, Takahito
Type of entry: Bibliographie
Title: The primitive equations in the scaling-invariant space L∞(L1)
Language: English
Date: 2021
Place of Publication: Basel
Publisher: Springer International Publishing
Journal or Publication Title: Journal of Evolution Equations
Volume of the journal: 21
Issue Number: 4
DOI: 10.1007/s00028-021-00716-z
Corresponding Links:
Abstract:

Consider the primitive equations on R² × (z₀, z₁) with initial data a of the form a = a₁ + a₂, where a₁ ∈ BUCσ (R²; L¹(z₀, z₁)) and a₂ ∈ L∞ σ (R²; L¹(z₀, z₁)). These spaces are scaling-invariant and represent the anisotropic character of these equations. It is shown that for a₁ arbitrary large and a₂ sufficiently small, this set of equations admits a unique strong solution which extends to a global one and is thus strongly globally well posed for these data provided a is periodic in the horizontal variables. The approach presented depends crucially on mapping properties of the hydrostatic Stokes semigroup in the L∞(L¹)-setting. It can be seen as the counterpart of the classical iteration schemes for the Navier–Stokes equations, now for the primitive equations in the L∞(L¹)-setting.

Uncontrolled Keywords: Primitive equations, Rough data, Global strong well-posedness
Classification DDC: 500 Science and mathematics > 510 Mathematics
Divisions: 04 Department of Mathematics
04 Department of Mathematics > Analysis
04 Department of Mathematics > Analysis > Angewandte Analysis
Date Deposited: 05 Sep 2024 08:56
Last Modified: 05 Sep 2024 08:56
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