Authors establish enhanced dissipation and separation of time-scales for a radially symmetric linear drift-diffusion problem on R^2, with the fast mixing time-scale depending only on the flow near the origin for power-law cases, via hypocoercivity.
Pseudospectral and spectral bounds for the Oseen vortices operator
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abstract
In this paper, we solve Gallay's conjecture on the spectral lower bound and pseudospecrtal bound for the linearized operator of the Navier-Stokes equation in $R^2$ around rapidly rotating Oseen vortices.
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math.AP 1years
2019 1verdicts
UNVERDICTED 1representative citing papers
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Separation of time-scales in drift-diffusion equations on $\mathbb{R}^2$
Authors establish enhanced dissipation and separation of time-scales for a radially symmetric linear drift-diffusion problem on R^2, with the fast mixing time-scale depending only on the flow near the origin for power-law cases, via hypocoercivity.