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JOURNALS // Russian Universities Reports. Mathematics // Archive

Tambov University Reports. Series: Natural and Technical Sciences, 2018 Volume 23, Issue 124, Pages 784–796 (Mi vtamu22)

This article is cited in 1 paper

Asymptotic solution of first-order equation with small parameter under the derivative with perturbed operator

V. I. Uskov

Voronezh State Forestry University named after G.F. Morozov

Abstract: The paper is devoted to the Cauchy problem for a differential equation with a small parameter when using a Fredholm operator in a Banach space with a certain method. The investigated effect of this parameter. The solution is in the form of an asymptotic expansion. When solving the problems of using the cascade decomposition method for equations, which allows us to split the equation into equations in subspaces.

Keywords: differential equation, asymptotic solution, small parameter, perturbation in the right-hand side, Fredholm operator, boundary layer phenomenon.

UDC: 517.928

Received: 23.04.2018

DOI: 10.20310/1810-0198-2018-23-124-784-796



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© Steklov Math. Inst. of RAS, 2026