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Coalescence of two regular singularities into one regular singularity for the linear ordinary differential equation - MaRDI portal

Coalescence of two regular singularities into one regular singularity for the linear ordinary differential equation (Q1868359)

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scientific article; zbMATH DE number 1901426
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English
Coalescence of two regular singularities into one regular singularity for the linear ordinary differential equation
scientific article; zbMATH DE number 1901426

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    Coalescence of two regular singularities into one regular singularity for the linear ordinary differential equation (English)
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    27 April 2003
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    The author studies the process of coalescing of two regular singular points of the second-order linear ODE \[ z(z+ \varepsilon) \frac {d^2}{dz ^2} w(z) + P (z, \varepsilon)\frac d {dz}w(z) + Q (z, \varepsilon) w(z) = 0, \] as \(\varepsilon\) goes to infinity, into a single singularity. This problem is discussed in terms of connection matrices and solutions to the corresponding equations.
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    regular singularities
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    coalescence of singularities
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    connection matrices
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