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9783540550181

Hyperbolic Cauchy Problem

Hyperbolic Cauchy Problem
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  • ISBN-13: 9783540550181
  • ISBN: 3540550186
  • Publication Date: 2008
  • Publisher: Springer

AUTHOR

Kajitani, K.

SUMMARY

The approach to the Cauchy problem taken here by the authors is based on theuse of Fourier integral operators with a complex-valued phase function, which is a time function chosen suitably according to the geometry of the multiple characteristics. The correctness of the Cauchy problem in the Gevrey classes for operators with hyperbolic principal part is shown in the first part. In the second part, the correctness of the Cauchy problem for effectively hyperbolic operators is proved with a precise estimate of the loss of derivatives. This method can be applied to other (non) hyperbolic problems. The text is based on a course of lectures given for graduate students but will be of interest to researchers interested in hyperbolic partial differential equations. In the latter part the reader is expected to be familiar with some theory of pseudo-differential operators.Kajitani, K. is the author of 'Hyperbolic Cauchy Problem', published 2008 under ISBN 9783540550181 and ISBN 3540550186.

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