bouncy particle sampler 1gradient queries 1mixing time 1query complexity 1windowed thinning 1zigzag sampler 1
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math.NA2026
Windowed thinning and query complexity for the bouncy particle and Zigzag samplers
Jianfeng Lu, Yinchen Luo
The paper analyzes an exact simulation technique called windowed thinning for the bouncy particle and Zigzag samplers, providing bounds on the number of gradient queries needed to…
math.NA2025
Approximating Young Measures With Deep Neural Networks
Rayehe Karimi Mahabadi, Jianfeng Lu, Hossein Salahshoor
Parametrized measures (or Young measures) enable to reformulate non-convex variational problems as convex problems at the cost of enlarging the search space from space of functions…
math.NA2025
Error Bounds for Open Quantum Systems with Harmonic Bosonic Bath
Kaizhao Liu, Jianfeng Lu
We investigate the dependence of physical observable of open quantum systems with Bosonic bath on the bath correlation function. We provide an error estimate of the difference of p…