The Space B − 1 ∞ , ∞ , Volumetric Sparseness, and 3D NSE
The Space B − 1 ∞ , ∞ , Volumetric Sparseness, and 3D NSE
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空间 B − 1 ∞ 、 ∞ 、体积稀疏性和 3D NSE
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通讯作者:
Sunwoo Kim
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作者:
Jaesung Jeon;Sangwoo Lee;Jaehoon Choi;Sunwoo Kim
. In the context of the L ∞ -theory of the 3D NSE, it is shown that smallness of a solution in Besov space B − 1 ∞ , ∞ suffices to prevent a possible blow-up. In particular, it is revealed that the aforementioned condition implies a particular local spatial structure of the regions of high velocity magnitude, namely, the structure of local volumetric sparseness on the scale comparable to the radius of spatial analyticity measured in L ∞ .