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Asymptotic expansions for ordinary differential equations

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TLDR
Asymptotic expansions for ordinary differential equations as discussed by the authors, asymptotics expansions for ODEs, Asymptotically expansion for ordinary DDEs and their derivatives.
Abstract
Asymptotic expansions for ordinary differential equations , Asymptotic expansions for ordinary differential equations , مرکز فناوری اطلاعات و اطلاع رسانی کشاورزی

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Journal ArticleDOI

Asymptotics of the Gurevich-Pitaevskii universal special solution of the Korteweg-de Vries equation as |x| → ∞

TL;DR: In this article, a complete asymptotic expansion as x → ± ∞ of the Gurevich-Pitaevskii universal special solution of the Korteweg-de Vries equation ut + uxxx + uux = 0 is constructed and justified.
Dissertation

俄文и ‘and’ 連接詞的功能及其中文和英文翻譯:基於語料庫的研究

阿遼娜, +1 more
TL;DR: It is shown that due to the large symmetry of these models the Wheeler–de Witt equation can completely be solved and a basis of solutions with well defined transformation properties under O(d, d) and under scale factor duality in particular is found.

A generalized averaging method for linear differential equations with almost periodic coefficients

TL;DR: Generalized averaging method for linear differential equations with almost periodic coefficients was proposed in this article, which is a generalization of the generalized averaging method used for linear equations with constant coefficients.