Browsing by Subject "Discrete symmetries"
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Article
Symmetries and form-preserving transformations of one-dimensional wave equations with dissipation
(2001)General results are given for the forms of infinitesimal point symmetries of the class of partial differential equations in which utt is a function of x,t,u,ut and the x-derivatives of u up to order n ≥ 2. Continuous and ...