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Convolution Operators and Factorization of Almost Periodic Matrix Functions. 2002 ed..
・ISBN 978-3-7643-6672-8 hard EUR 99.99
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| 著者・編者 | Boettcher, Albrecht / Karlovich, Yuri I. / Spitkovsky, Ilya M., |
|---|---|
| シリーズ | Operator Theory: Advances and Applications |
| 出版社 | (Birkhauser Verlag AG, SZ) |
| 出版年月 | 2002 |
| ページ数 | 462 pp. |
| 言語 | ENG |
| ニュース番号 | ＜M25-20384＞ |
解説
Many problems of the engineering sciences, physics, and mathematics lead to con- volution equations and their various modifications. Convolution equations on a half-line can be studied by having recourse to the methods and results of the theory of Toeplitz and Wiener-Hopf operators. Convolutions by integrable kernels have continuous symbols and the Cauchy singular integral operator is the most prominent example of a convolution operator with a piecewise continuous symbol. The Fredholm theory of Toeplitz and Wiener-Hopf operators with continuous and piecewise continuous (matrix) symbols is well presented in a series of classical and recent monographs. Symbols beyond piecewise continuous symbols have discontinuities of oscillating type. Such symbols emerge very naturally. For example, difference operators are nothing but convolution operators with almost periodic symbols: the operator defined by (A