将 Schur-凹型交换副拷贝函数表述为关联副拷贝函数闭包
统计理论
2026-05-13 v2 统计理论
摘要
设 为关联副拷贝函数的集合, 为其在均匀度量 下的凸包闭包。已知 ,其中 为 Schur-凹型交换副拷贝函数的集合。我们证明了反向包含关系,即 。
关键词
引用
@article{arxiv.2605.02858,
title = {Characterizing Schur-concave commutative copulas as the closure of associative ones},
author = {Manuel Úbeda-Flores},
journal= {arXiv preprint arXiv:2605.02858},
year = {2026}
}
备注
The author wish to withdraw this manuscript due to an error discovered which could invalidate the main conclusion of the work. The paper requires a complete revision