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math-ph2020
On the singularities of the discrete Korteweg-deVries equation
Doyong Um, Alfred Ramani, Basil Grammaticos +2
We study the structure of singularities in the discrete Korteweg-deVries (d-KdV) equation. Four different types of singularities are identified. The first type corresponds to local…
math-ph2015★ 2 cited
Integrable mappings and the notion of anticonfinement
Takafumi Mase, Ralph Willox, Alfred Ramani +1
We examine the notion of anticonfinement and the role it has to play in the singularity analysis of discrete systems. A singularity is said to be anticonfined if singular values co…