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arXiv 1608.06397math.AP
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索伯列夫空间中Navier-斯托克斯方程解的适定性

Well-posedness for the Navier-Stokes equations with datum in the Sobolev spaces

D. Q. Khai

摘要:

本文研究了齐次索伯列夫空间中具有任意初值的Navier-Stokes方程的局部适定性。所得结果改进了$p > d$和$s = 0$ M的已知结果。Cannone和Y. Meyer(1995年)。在临界指标$s=\frac{d}{p}-1$的情形下,证明了当初值范数足够小时,Navier-斯托克斯方程的整体适定性.这个结果是M. Cannone(1997),其中$p = d$和$s = 0$。

英文摘要:

In this paper, we study local well-posedness for the Navier-Stokes \linebreak equations with arbitrary initial data in homogeneous Sobolev spaces $\dot{H}^s_p(\mathbb{R}^d)$ for $d \geq 2, p > \frac{d}{2},\ {\rm and}\ \frac{d}{p} - 1 \leq s < \frac{d}{2p}$. The obtained result improves the known ones for $p > d$ and $s = 0$ M. Cannone and Y. Meyer (1995). In the case of critical indexes $s=\frac{d}{p}-1$, we prove global well-posedness for Navier-Stokes equations when the norm of the initial value is small enough. This result is a generalization of the one in M. Cannone (1997) in which $p = d$ and $s = 0$.

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