3 papers
math.NA2025
Mean square error analysis of stochastic gradient and variance-reduced sampling algorithms
Jianfeng Lu, Xuda Ye, Zhennan Zhou
This paper considers mean square error (MSE) analysis for stochastic gradient sampling algorithms applied to underdamped Langevin dynamics under a global convexity assumption. A no…
quant-ph2024
Mixing Time of Open Quantum Systems via Hypocoercivity
Di Fang, Jianfeng Lu, Yu Tong
Understanding the mixing of open quantum systems is a fundamental problem in physics and quantum information science. Existing approaches for estimating the mixing time often rely…
math.AP2023
Asymptotic analysis for Bloch electrons with Weyl nodes
Jianfeng Lu, Changhe Yang, Zhennan Zhou
In this paper, we study the semiclassical behavior of Bloch electrons in the presence of Weyl nodes, which are singular points in the band structure of certain materials. We carry…