Journal
NONLINEAR DYNAMICS
Volume 90, Issue 2, Pages 1105-1113Publisher
SPRINGER
DOI: 10.1007/s11071-017-3712-x
Keywords
(3+1) Dimensional time-fractional mKdV-ZK equation; Lie symmetries analysis; Erdelyi-Kober operator; New conservation law; Symmetry
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In this paper, symmetry properties and conservation laws of the (3+1) dimensional time-fractional modified KdV-Zakharov-Kuznetsov (mKdV-ZK) equation have been studied with Riemann-Liouville fractional derivative. Fractional Lie symmetry method has been used here for getting symmetry properties of (3+1) dimensional time-fractional mKdV-ZK equation. Here, the reduction of (3+1) dimensional time-fractional mKdV-ZK equation into fractional ordinary differential equation has been done by using Erd,lyi-Kober fractional differential operator. Also, by using the new conservation theorem, the new conserved vectors for (3+1) dimensional time-fractional mKdV-ZK equation have been constructed with the help of formal Lagrangian with a detail derivation.
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