Linear Vortex Symmetrization: The Spectral Density Function
Linear Vortex Symmetrization: The Spectral Density Function
复制标题
线性涡旋对称化:谱密度函数
DOI:
10.1007/s00205-022-01815-y
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发表时间:
2022
影响因子:
2.5
通讯作者:
Jia, Hao
中科院分区:
文献类型:
--
作者:
Ionescu, Alexandru D.;Jia, Hao
We investigate solutions of the 2dincompressible Euler equations, linearized around steady states which are radially decreasing vortices. Our main goal is to understand the smoothness of what we call thespectral density functionassociated with the linearized operator, which we hope will be a step towards proving full nonlinear asymptotic stability of radially decreasing vortices. The motivation for considering the spectral density function is that it is not possible to describe the vorticity or the stream function in terms of one modulated profile. There are in fact two profiles, both at the level of the physical vorticity and at the level of the stream function. The spectral density function allows us to identify these profiles, and its smoothness leads to pointwise decay of the stream function which is consistent with the decay estimates first proved inBedrossian–Coti Zelati–Vicol(Ann PDE 5(4):1–192, 2019).
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影响因子:
2.4
作者:
T. Gallay;C. E. Wayne
通讯作者:
T. Gallay;C. E. Wayne
DOI:
--
发表时间:
2003
期刊:
影响因子:
--
作者:
I. M. Hall;A. Bassom;A. Gilbert
通讯作者:
A. Gilbert
影响因子:
0.7
作者:
T. Yamanaka
通讯作者:
T. Yamanaka
影响因子:
2.8
作者:
Bedrossian, Jacob;Coti Zelati, Michele;Vicol, Vlad
通讯作者:
Vicol, Vlad
影响因子:
2.5
作者:
T. Gallay
通讯作者:
T. Gallay