Project Euclid - Differential Equations

Primitive Equations with half horizontal viscosity

 Mathematics - Research News
 12 November 2020
Martin Saal. Source: Advances in Differential Equations, Volume 25, Number 11/12, 651--685.Abstract: We consider the $3D$ primitive equations and show, that one does need less than horizontal viscosity to obtain a well-posedness result in Sobolev spaces. Furthermore, we will also investigate the...

Spectral identities and smoothing estimates for evolution operators

 Mathematics - Research News
 12 November 2020
Matania Ben-Artzi, Michael Ruzhansky, Mitsuru Sugimoto. Source: Advances in Differential Equations, Volume 25, Number 11/12, 627--650.Abstract: Smoothing (and decay) spacetime estimates are discussed for evolution groups of self-adjoint operators in an abstract setting. The basic assumption is the...

Navier–Stokes equations in a curved thin domain, Part III: thin-film limit

 Mathematics - Research News
 15 September 2020
Tatsu-Hiko Miura. Source: Advances in Differential Equations, Volume 25, Number 9/10, 457--626.Abstract: We consider the Navier–Stokes equations with Navier's slip boundary conditions in a three-dimensional curved thin domain around a given closed surface. Under suitable assumptions, we show that...

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