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Advances in Mathematical Physics
Volume 2013 (2013), Article ID 282390, 5 pages
Research Article

Recursion Operator and Local and Nonlocal Symmetries of a New Modified KdV Equation

Department of Mathematics, Changshu Institute of Technology, Changshu, Jiangsu 215500, China

Received 3 September 2013; Accepted 4 November 2013

Academic Editor: Wen-Xiu Ma

Copyright © 2013 Qian Suping and Li Xin. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The recursion operator of a new modified KdV equation and its inverse are explicitly given. Acting the recursion operator and its inverse on the trivial symmetry 0 related to the identity transformation, the infinitely many local and nonlocal symmetries are obtained. Using a closed finite dimensional symmetry algebra with both local and nonlocal symmetries of the original model, some symmetry reductions and exact solutions are found.