regular singular point

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regular singular point

[′reg·yə·lər ¦siŋ·gyə·lər ′pȯint]
(mathematics)
A regular singular point of a differential equation is a singular point of the equation at which none of the solutions has an essential singularity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
has one irregular singularity at infinity which gives an essential singularity at this point.
The result is an equation with a regular singularity at zero and an irregular singularity at infinity of higher order:
This operator has two regular singularities at zero and one and an irregular singularity at infinity, the singularity structure of the confluent Heun equation.
Heun Functions and Some of Their Applications in Physics

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