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Galilei symmetries of KdV-type nonlinear evolution equations

โœ Scribed by Huang, Qing; Wang, Lizhen; Shen, Shoufeng; Zuo, Suli


Book ID
122334830
Publisher
Elsevier Science
Year
2014
Tongue
English
Weight
390 KB
Volume
398
Category
Article
ISSN
0378-4371

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The structure of higher symmetries of no
โœ B. Flach ๐Ÿ“‚ Article ๐Ÿ“… 1989 ๐Ÿ› Springer ๐ŸŒ English โš– 264 KB

Within the framework of jet manifolds, we show that the symmetries of nonlinear partial evolution equations in arbitrary dimensions are linear in the leading orders. A necessary condition for the existence of an infinite-dimensional symmetry algebra for a given equation is derived. As an example, th