Name: the hyperbolic cauchy problem
SKU: 3485527
Price: 30.88 EUR
Availability: InStock
Author: kajitani,nishitani
ISBN: 9783540550181

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Type

Physical Book

Publisher

Springer

Author

kajitani,nishitani

Language

English

Pages

168

ISBN

3540550186

ISBN13

9783540550181

Synopsis "the hyperbolic cauchy problem"

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.