中文

二元列联表的渐近计数及其与独立性启发式之比较

组合数学 2023-08-01 v5

摘要

对于参数n,δ,B,Cn,\delta,B,C,我们得到了维度为(n+nδ)2(n+\lfloor n^\delta\rfloor)^2且取BCn\lfloor BCn\rfloorCn\lfloor Cn\rfloor值非均匀边缘的二元列联表数量的精确渐近公式。进而,我们将精确渐近结果与经典独立性启发式估计比较,证明独立性启发式以eΘ(n2δ)e^{\Theta(n^{2\delta})}的因子高估。我们的比较基于关联系数的分析,并给出了Θ\Theta中常数的显式界。

关键词

引用

@article{arxiv.2010.12969,
  title  = {Asymptotic Enumeration of Binary Contingency Tables and Comparison with Independence Heuristic},
  author = {Da Wu},
  journal= {arXiv preprint arXiv:2010.12969},
  year   = {2023}
}

备注

Minor typos corrected and references updated as suggested by referee, to appear in Contributions to Mathematics