3 citations · 3 across the 3 of their papers we have counts for
3 papers
nlin.SI2026
-invariant integrable systems from factorisation of linear differential and difference operators
Frank Nijhoff, Linyu Peng, Cheng Zhang +1
In this paper, we present a unified approach to constructing continuous and discrete -invariant integrable systems, formulated in terms of the common dependent var…
nlin.SI2026
On consistency around a cube and Q3 analogue of the lattice Boussinesq equation
Pengyu Sun, Cheng Zhang, Frank Nijhoff
In this paper, we present two new aspects of lattice Boussinesq (BSQ) equations. First, we show that the lattice potential BSQ (lpBSQ) equation defined on a nine-point square latti…
nlin.SI2024★ 3 cited
On the Lagrangian multiform structure of the extended lattice Boussinesq system
F. W. Nijhoff, D. J. Zhang
The lattice Boussinesq (lBSQ) equation is a member of the lattice Gel'fand-Dikii (lGD) hierarchy, introduced in \cite{NijPapCapQui1992}, which is an infinite family of integrable s…