Localization of Movable Singularities of the Blasius Equation

We study movable singularities of the Blasius equation in the complex plane. Numerical algorithms of their localization are given that allow to find singularities with high accuracy. All these singularities are equivalent and may be represented by one of them. We obtain an asymptotic expansion in the neighborhood of the singularity in explicit form and compute its coefficients. This power-logarithmic expansion is shown to be convergent and giving a local parametrization of the Riemann surface of the Blasius function.

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Journal
Computational Mathematics and Mathematical Physics
Published
2025-10-01
DOI
https://doi.org/10.1134/s0965542525701180
Primary Topic
Algebraic and Geometric Analysis
Type
article
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article

Localization of Movable Singularities of the Blasius Equation

В. П. Варин
Computational Mathematics and Mathematical Physics
Algebraic and Geometric Analysis
article

Localization of Movable Singularities of the Blasius Equation

В. П. Варин
article en

Abstract

We study movable singularities of the Blasius equation in the complex plane. Numerical algorithms of their localization are given that allow to find singularities with high accuracy. All these singularities are equivalent and may be represented by one of them. We obtain an asymptotic expansion in the neighborhood of the singularity in explicit form and compute its coefficients. This power-logarithmic expansion is shown to be convergent and giving a local parametrization of the Riemann surface of the Blasius function.

Computational Mathematics and Mathematical PhysicsVol. 65(10)
Keldysh Institute of Applied Mathematics (RU)
Openalex Percentile: Top 53%
Algebraic and Geometric Analysis
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