133 citations · 322 across the 19 of their papers we have counts for
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math-ph2014★ 2 cited
Self-adjointness and conservation laws of difference equations
Linyu Peng
A general theorem on conservation laws for arbitrary difference equations is proved. The theorem is based on an introduction of an adjoint system related with a given difference sy…
math-ph2014★ 3 cited
Relations between symmetries and conservation laws for difference systems
Linyu Peng
For difference variational problems on lattice, this paper presents a relation between divergence variational symmetries and conservation laws for the associated Euler-Lagrange sys…