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canonical transformations 1cosymplectic geometry 1geometric integration 1non-autonomous systems 1structure-preserving discretization 1

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math.DS2026

Discrete-time generalized canonical transformations for non-autonomous systems

Leonardo Colombo, David Martin de Diego, Riccardo Muradore +2

The paper introduces a geometric discretization method for time‑dependent Hamiltonian systems that uses generalized canonical transformations to create structure‑preserving integra…