A formula for symmetry recursion operators from non-variational symmetries of partial differential equations

Anco, SC; Wang, B

Anco, SC (corresponding author), Brock Univ, Dept Math & Stat, St Catharines, ON L2S 3A1, Canada.; Anco, SC (corresponding author), Ningbo Univ, Sch Math & Stat, Ningbo 315211, Peoples R China.

LETTERS IN MATHEMATICAL PHYSICS, 2021; 111 (3):

Abstract

An explicit formula to find symmetry recursion operators for partial differential equations (PDEs) is obtained from new results connecting variational......

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