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nlin.SI2020★ 2 cited
Coprimeness-preserving discrete KdV type equation on an arbitrary dimensional lattice
Ryo Kamiya, Masataka Kanki, Takafumi Mase +1
We introduce an equation defined on a multi-dimensional lattice, which can be considered as an extension to the coprimeness-preserving discrete KdV like equation in our previous pa…
math-ph2020
Discrete Hamiltonians of discrete Painlevé equations
Takafumi Mase, Akane Nakamura, Hidetaka Sakai
We express discrete Painlevé equations as discrete Hamiltonian systems. The discrete Hamiltonian systems here mean the canonical transformations defined by generating functions. Ou…