Author

Nawaf Bou-Rabee

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Preprint Oct 2026

Locally adaptive step sizes for Hamiltonian Monte Carlo methods

Exact reversible locally adaptive step sizes are introduced by Bou-Rabee et al. (2026) in the context of the No-U-Turn Hamiltonian Monte Carlo (HMC) sampler for the purpose of high performance HMC sampling in challenging target distributions. This paper carefully explains and illustrates the locally adaptive step size...

Jimmy Huy Tran, Tore Selland Kleppe, Nawaf Bou-Rabee · 0 citations

Preprint Aug 2026

Provable Non-Acceleration of Standard Strang Splittings of Kinetic Langevin Dynamics

A complementary upper bound of $O(\kappa)$ steps, up to logarithmic factors, for a fixed-parameter OBABO tuning is proved, Hence, among fixed-parameter OBABO tunings, the optimal condition-number dependence of cold-start total variation mixing over this class is linear, up to logarithmic factors.

Nawaf Bou-Rabee · 1 citation · ⚡1