arXiv Open Access 2022

A combinatorial property of rho-functions

Dilip Raghavan Stevo Todorcevic

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Abstrak

We show that if $\mathcal{T}$ is any Hausdorff topology on $ω_{1}$, then any subset of $ω_{1}$ which is homeomorphic to the rationals under $\mathcal{T}$ can be refined to a homeomorphic copy of the rationals on which $\barρ$ is shift-increasing.

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Penulis (2)

Dilip Raghavan

Stevo Todorcevic

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Raghavan, D., Todorcevic, S. (2022). A combinatorial property of rho-functions. https://arxiv.org/abs/2204.01798

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Informasi Jurnal

Tahun Terbit: 2022
Bahasa: en
Sumber Database: arXiv
Akses: Open Access ✓