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Long-time asymptotics of axisymmetric Navier-Stokes equations in critical spaces
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Speaker(s): Yanlin Liu
Time: Dec 20, 2021, 13:00-14:00
Venue: Tencent Video meeting ID: 276 155 741

Abstract

We prove that any global strong solution to axisymmetric Navier-Stokes equations must eventually become small. In particular, the limits of  and  are all   as  tends to infinity. Then by using these, we can refine a series of decay estimates. In particular, for the global axisymmetric solutions we know till now, namely the axisymmetric without swirl or with small swirl ones, these decay estimates hold. But our result here do not require any smallness conditions beforehand, thus more general.