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Nonlinear stability of Runge-Kutta methods applied to infinite-delay-differential equations

✍ Scribed by Chengjian Zhang; Geng Sun

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
485 KB
Volume
39
Category
Article
ISSN
0895-7177

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✦ Synopsis

In functional differential equations (FDEs), there is a class of infinite delay-differential equations (IDDEs) with proportional delays, which aries in many scientific fields such as electric mechanics, quantum mechanics, and optics. Ones have found that there exist very different mathematical challenges between FDEs with proportional delays and those with constant delays. Some research on the numerical solutions and the corresponding analysis for the linear FDEs with proportional delays have been presented by several authors. However, up to now, the research for nonlinear case still remains to be done. For this, in the present paper, we deal with nonlinear stability of the Runge-Kutta (RK) methods for a class of IDDEs with proportional delays. It is shown under the suitable conditions that a (k, /)-algebraically stable RK method for this kind of nonlinear IDDE is globally and asymptotically stable.

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