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Conditional and approximate symmetries for a generalized van der Pol equation
1994 (English)In: Lie Groups and their Applications, Vol. 1, no 1, p. 79-94Article in journal (Refereed) Published
Abstract [en]

Non-Lie ansätze and exact solutions are constructed by means of conditional symmetries for a class of nonlinear heat equations in one space dimension. We study approximate symmetries by which one can obtain approximate solutions for multidimensional partial differential equations. The method of approximate symmetries is applied to an $n$-dimensional generalized van der Pol equation. Approximate conditions symmetries are introduced to construct approximate solutions for the latter equation.

Place, publisher, year, edition, pages
1994. Vol. 1, no 1, p. 79-94
National Category
Mathematical Analysis
Research subject
Mathematics
Identifiers
URN: urn:nbn:se:ltu:diva-8672Local ID: 7365c710-9bfe-11db-8975-000ea68e967bOAI: oai:DiVA.org:ltu-8672DiVA, id: diva2:981610
Note
Upprättat; 1994; 20070103 (kani)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-03-08Bibliographically approved

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Euler, Norbert

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