中文

Kac随机游走的总变差界

概率论 2012-09-25 v4

摘要

我们证明,从e1e_1处的点质量出发的(n1)(n-1)-球面Sn1S^{n-1}上的经典Kac随机游走在总变差距离下于O(n5(logn)3)\mathcal{O}(n^5(\log n)^3)步内混合。主要论证使用了燃烧期后运行密度的截断,随后利用其他作者推导的谱间隙信息进行L2\mathcal{L}^2收敛。这改进了Diaconis和Saloff-Coste先前O(n2n)\mathcal {O}(n^{2n})阶的界。

关键词

引用

@article{arxiv.0905.1539,
  title  = {Total variation bound for Kac's random walk},
  author = {Yunjiang Jiang},
  journal= {arXiv preprint arXiv:0905.1539},
  year   = {2012}
}

备注

Published in at http://dx.doi.org/10.1214/11-AAP810 the Annals of Applied Probability (http://www.imstat.org/aap/) by the Institute of Mathematical Statistics (http://www.imstat.org)