Volume 5, Issue 4, November 1998, Pages 405 - 416
How to Find Discrete Contact Symmetries
Authors
Peter E. Hydon
Corresponding Author
Peter E. Hydon
Received 15 May 1998, Accepted 7 July 1998, Available Online 1 November 1998.
- DOI
- 10.2991/jnmp.1998.5.4.6How to use a DOI?
- Abstract
This paper describes a new algorithm for determining all discrete contact symmetries of any differential equation whose Lie contact symmetries are known. The method is constructive and is easy to use. It is based upon the observation that the adjoint action of any contact symmetry is an automorphism of the Lie algebra of generators of Lie contact symmetries. Consequently, all contact symmetries satisfy various compatibility conditions. These conditions enable the discrete symmetries to be found systematically, with little effort.
- Copyright
- © 2006, the Authors. Published by Atlantis Press.
- Open Access
- This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).
Cite this article
TY - JOUR AU - Peter E. Hydon PY - 1998 DA - 1998/11/01 TI - How to Find Discrete Contact Symmetries JO - Journal of Nonlinear Mathematical Physics SP - 405 EP - 416 VL - 5 IS - 4 SN - 1776-0852 UR - https://doi.org/10.2991/jnmp.1998.5.4.6 DO - 10.2991/jnmp.1998.5.4.6 ID - Hydon1998 ER -