可耕种 发表于 2025-3-25 03:47:27

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Spina-Bifida 发表于 2025-3-25 11:14:21

Propagation at the Boundary of Analytic Singularities,We study non elliptic boundary value problems in the framework of microfunctions. We introduce the concept of N-regularity and apply it to the problem of propagation of analytic singularities at the boundary with some possible diffraction.

葡萄糖 发表于 2025-3-25 11:49:03

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JAUNT 发表于 2025-3-25 17:35:33

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SPECT 发表于 2025-3-25 20:31:15

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enflame 发表于 2025-3-26 03:42:32

Singularities of Elementary Solutions of Hyperbolic Equations with Constant Coefficients,Let P(D.) be a hyperbolic operator with constant coefficients with respect to . where x ε R. and ., i.e. its characteristic polynomial P(ξ) satisfies i) P.(θ) ≠ 0 where P. is the principal part of P, and ii) P(ξ−iγθ) ≠ 0 for all ξ ε R. and γ > γ. > 0 where γ. is constant.

COW 发表于 2025-3-26 05:01:18

978-94-009-8436-3Springer Science+Business Media Dordrecht 1981

厚脸皮 发表于 2025-3-26 09:00:53

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间谍活动 发表于 2025-3-26 12:44:02

Nato Science Series C:http://image.papertrans.cn/s/image/867927.jpg

痛得哭了 发表于 2025-3-26 20:34:03

https://doi.org/10.1007/978-94-009-8434-9calculus; field; matrix; transformation
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查看完整版本: Titlebook: Singularities in Boundary Value Problems; Proceedings of the N H. G. Garnir Conference proceedings 1981 Springer Science+Business Media Dor