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nlin.SI2018★ 5 cited
Laplace maps and constraints for a class of third order partial differential operators
Chris Athorne
We explore the existence of a class of generalised Laplace maps for third order partial differential operators of the form \[\partial_1\partial_2\partial_3+a_1\partial_2\partial_3+…
nlin.SI2011★ 4 cited
Laplace Invariants for General Hyperbolic Systems
Chris Athorne, Halis Yilmaz
We consider the generalization of Laplace invariants to linear differential systems of arbitrary rank and dimension. We discuss completeness of certain subsets of invariants.