Nonlocal symmetries and conservation laws of the coupled Hirota equation
classification
🧮 math-ph
math.MPnlin.SI
keywords
nonlocalcoupledequationhirotasymmetryconservationlawsappropriate
read the original abstract
Using the lax pair, nonlocal symmetry of the coupled Hirota equation is obtained. By introducing an appropriate auxiliary dependent variable the nonlocal symmetry is successfully localized to a Lie point symmetry. For the closed prolongation, one-dimensional optimal systems and nonlocal conservation laws of the coupled Hirota equation are studied.
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