Rapid Convergence of the Unadjusted Langevin Algorithm: Log-Sobolev Suffices
Rapid Convergence of the Unadjusted Langevin Algorithm: Log-Sobolev Suffices
复制标题
DOI:
--
复制
发表时间:
2019-03
期刊:
影响因子:
--
通讯作者:
S. Vempala;Andre Wibisono
中科院分区:
文献类型:
--
作者:
S. Vempala;Andre Wibisono
We prove a convergence guarantee on the unadjusted Langevin algorithm for sampling assuming only that the target distribution $e^{-f}$ satisfies a log-Sobolev inequality and the Hessian of $f$ is bounded. In particular, $f$ is not required to be convex or have higher derivatives bounded.