The Generalized Proudman-Johnson Equation Revisited

The Generalized Proudman-Johnson Equation Revisited
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DOI:
10.1007/s00021-009-0004-3
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发表时间:
2011-03-01
影响因子:
1.3
通讯作者:
Wunsch, Marcus
Wunsch, Marcus
中科院分区:
数学3区
文献类型:
--
作者:
Wunsch, Marcus

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我们证明了无粘广义Proudman-Johnson方程的解的存在性,其中参数a位于开区间(-5,-1),在有限时间内发展奇异性;此外,我们还证明了当a =-1时,存在解。最后,给出了一类特殊初值下解的爆破准则。
We demonstrate the existence of solutions to the inviscid generalized Proudman-Johnson equation for parameters a lying in the open interval (-5,-1) which develop singularities in finite time; moreover, we show that there are solutions which exist for all times if a = -1. Finally, a simple blow-up criterion for solutions arising from a special class of initial data is given.