【摘 要】
：
We consider the two-dimensional Euler equation in a sector under a simple symmetry condition.It is shown that the growth of the vorticity gradient is depending on the angle of the sector.Moreover we g
【机 构】
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Tokyo Inst.of Tech. Department of Mathematics,Tok
论文部分内容阅读
We consider the two-dimensional Euler equation in a sector under a simple symmetry condition.It is shown that the growth of the vorticity gradient is depending on the angle of the sector.Moreover we generalize this result to the case of a symmetric domain with a corner.
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