Edge Sobolev spaces and weakly hyperbolic equations

Edge Sobolev spaces and weakly hyperbolic equations
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DOI:
10.1007/s102310100023
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发表时间:
2002
影响因子:
1
通讯作者:
M. Dreher;I. Witt
M. Dreher;I. Witt
中科院分区:
数学3区
文献类型:
--
作者:
M. Dreher;I. Witt

文献摘要

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提出了边Sobolev空间作为研究弱双曲型方程的一种新工具。证明了这类边Sobolev空间中的线性和半线性Cauchy问题的适定性。研究了半线性问题解的奇异传播问题的一个应用。
Edge Sobolev spaces are proposed as a main new tool for the investigation of weakly hyperbolic equations. The well-posedness of the linear and semilinear Cauchy problem in the class of these edge Sobolev spaces is proved. An application to the propagation of singularities for solutions to the semilinear problem is considered.