Author

Raphael Barboni

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Preprint Aug 2026

Hamiltonian dynamics for sampling on discrete spaces

A general class of non-reversible Hamiltonian Monte Carlo dynamics on discrete state spaces is developed, revealing a diffusive-to-ballistic speed-up over reversible samplers, even for heterogeneous target distributions where standard non-reversible methods become diffusive.

Raphael Barboni, Sebastiano Grazzi, Giacomo Zanella · 0 citations