Are there contact transformations for discrete equations?

DOI10.1088/1751-8113/44/26/265201zbMath1227.39002arXiv1102.2949OpenAlexW1985577323MaRDI QIDQ3021469

Z. Thomova, Decio Levi, Pavel Winternitz

Publication date: 25 July 2011

Published in: Journal of Physics A: Mathematical and Theoretical (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1102.2949

zbMATH Keywords

Lie groupinfinitesimal contact transformationsordinary difference schemes

Mathematics Subject Classification ID

Additive difference equations (39A10) Symmetries, Lie group and Lie algebra methods for problems in mechanics (70G65) Numerical methods for difference equations (65Q10)

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Invariant conservation law-preserving discretizations of linear and nonlinear wave equations

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