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Titlebook: Mathematical Problems in Wave Propagation Theory; V. M. Babich Book 1970 Consultants Bureau, New York 1970 elasticity.Helmholtz equation.m

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书目名称Mathematical Problems in Wave Propagation Theory
编辑V. M. Babich
视频video
丛书名称Seminars in mathematics
图书封面Titlebook: Mathematical Problems in Wave Propagation Theory;  V. M. Babich Book 1970 Consultants Bureau, New York 1970 elasticity.Helmholtz equation.m
描述The papers comprising this collection are directly or indirectly related to an important branch of mathematical physics - the mathematical theory of wave propagation and diffraction. The paper by V. M. Babich is concerned with the application of the parabolic-equation method (of Academician V. A. Fok and M. A, Leontovich) to the problem of the asymptotic behavior of eigenfunc­ tions concentrated in a neighborhood of a closed geodesie in a Riemannian space. The techniques used in this paper have been föund useful in solving certain problems in the theory of open resonators. The topic of G. P. Astrakhantsev‘s paper is similar to that of the paper by V. M. Babich. Here also the parabolic-equation method is used to find the asymptotic solution of the elasticity equations which describes Love waves concentrated in a neighborhood of some surface ray. The paper of T. F. Pankratova is concerned with finding the asymptotic behavior of th~ eigenfunc­ tions of the Laplace operator from the exact solution for the surface of a triaxial ellipsoid and the re­ gion exterior to it. The first three papers of B. G. Nikolaev are somewhat apart from the central theme of the col­ lection; they treat the
出版日期Book 1970
关键词elasticity; Helmholtz equation; mathematical physics; solution
版次1
doihttps://doi.org/10.1007/978-1-4757-0334-4
isbn_softcover978-1-4757-0336-8
isbn_ebook978-1-4757-0334-4
copyrightConsultants Bureau, New York 1970
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B. G. Nikolaevt the surgical approach to gastric carcinoma should take into account the site and extent of the lesion and there are chapters on new methods for pre and intraoperative staging of the disease which allow a more logical approach to surgery. A comparison between Japanese and Western rule and results was attempt978-94-010-7473-5978-94-009-2167-2
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B. G. Nikolaevconvincing experimental epidemiological evidence associating N-NC with human cancer affecting the oral cavity [4], urinary bladder [5] and oesophagus [6] while their possible role in the pathogenesis of gastric cancer has also been strongly postulated [7,8].
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B. G. Nikolaevconvincing experimental epidemiological evidence associating N-NC with human cancer affecting the oral cavity [4], urinary bladder [5] and oesophagus [6] while their possible role in the pathogenesis of gastric cancer has also been strongly postulated [7,8].
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B. G. Nikolaevl. Oil spills are also a major cause of water pollution which, if happens near the shore may seriously affect coastal flora and fauna. The increasing level of noise is also another cause of pollution which effects the environment. Pollution in any form is harmful to human life, and unless checked in
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Book 1970with finding the asymptotic behavior of th~ eigenfunc­ tions of the Laplace operator from the exact solution for the surface of a triaxial ellipsoid and the re­ gion exterior to it. The first three papers of B. G. Nikolaev are somewhat apart from the central theme of the col­ lection; they treat the
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