$\mathbb{R}^{\omega_1}$中$\mathbb{N}$的闭拷贝
一般拓扑
2026-01-13 v3 逻辑
摘要
我们研究了的幂空间中关于-嵌入与-嵌入的的闭拷贝。我们证明含有非-嵌入的的闭拷贝。
引用
@article{arxiv.2307.07223,
title = {Closed copies of $\mathbb{N}$ in $\mathbb{R}^{\omega_1}$},
author = {Alan Dow and Klaas Pieter Hart and Jan van Mill and Hans Vermeer},
journal= {arXiv preprint arXiv:2307.07223},
year = {2026}
}
备注
Version 2: some corrections and reformulations Version 3: references to older results plus an example of a nonC*-embedded copy consistent with not-CH