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arXiv 1303.6151math.AP
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具有无界涡量的Euler方程的整体适定性

On the global well-posedness for Euler equations with unbounded vorticity

Frederic Bernicot, Taoufik Hmidi

摘要:

本文研究了二维不可压Euler方程在某些允许无界涡量的函数空间中的全局持久正则性。更确切地说,我们证明了在某些加权Morrey-Campanato空间中涡度的整体传播,在这个框架下,速度场不一定是Lipschitz,但对于某些$α\in (0,1).$,属于log-Lipschitz类$L^αL,$

英文摘要:

In this paper, we are interested in the global persistence regularity for the 2D incompressible Euler equations in some function spaces allowing unbounded vorticities. More precisely, we prove the global propagation of the vorticity in some weighted Morrey-Campanato spaces and in this framework the velocity field is not necessarily Lipschitz but belongs to the log-Lipschitz class $L^αL,$ for some $α\in (0,1).$

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