Representation of general invariants for approximate transformation groups (Q1378406)
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scientific article; zbMATH DE number 1117624
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Representation of general invariants for approximate transformation groups |
scientific article; zbMATH DE number 1117624 |
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Representation of general invariants for approximate transformation groups (English)
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14 July 1998
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This research continues that of \textit{V. A. Baikov, R. K. Gazizov}, and \textit{N. H. Ibragimov} [Mat. Sb. 136, No. 4, 435-450 (1988; Zbl 0683.35004) and Proc. Steklov Inst. Math. 200, 35-47 (1993; Zbl 0813.58061)]. Studied are approximate equations and their approximate solutions. The pivotal examples are linear first-order approximate equations describing invariants of approximate symmetry groups of PDEs. Results give answer to the question of how many independent approximate invariants exist, and what are their natural representatives.
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approximate symmetries
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approximate equations
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approximate invariants
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