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math-ph2020★ 19 cited
Generalized hydrodynamic limit for the box-ball system
David A. Croydon, Makiko Sasada
We deduce a generalized hydrodynamic limit for the box-ball system, which explains how the densities of solitons of different sizes evolve asymptotically under Euler space-time sca…
math-ph2019★ 2 cited
Dynamics of the ultra-discrete Toda lattice via Pitman's transformation
David A. Croydon, Makiko Sasada, Satoshi Tsujimoto
By encoding configurations of the ultra-discrete Toda lattice by piecewise linear paths whose gradient alternates between and , we show that the dynamics of the system can…