Differential invariants of nonlinear equations \(v_{tt}\)=\(f\)(\(x\),\(v_{x}\))\(v_{xx}\)+\(g\)(\(x\),\(v_{x}\)).

DOI10.1016/J.CNSNS.2003.09.001zbMath1046.35074OpenAlexW3022683139MaRDI QIDQ1417831

Nail H. Ibragimov, Antonino Valenti, Mariano Torrisi

Publication date: 6 January 2004

Published in: Communications in Nonlinear Science and Numerical Simulation (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.cnsns.2003.09.001

Mathematics Subject Classification ID

Second-order nonlinear hyperbolic equations (35L70) Invariance and symmetry properties for PDEs on manifolds (58J70)

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