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nlin.SI2002
HexaKdV
Jeremy Schiff
An analog of the lattice KdV equation of Nijhoff et al. is constructed on a hexagonal lattice. The resulting system of difference equations exhibits soliton solutions with interest…
nlin.SI2002★ 16 cited
Loop Groups and Discrete KdV Equations
Jeremy Schiff
A study is presented of fully discretized lattice equations associated with the KdV hierarchy. Loop group methods give a systematic way of constructing discretizations of the equat…