English

Weakly Boolean maximal chains of homeomorphic topologies

Logic 2024-12-31 v1

Abstract

If λ<κ\lambda <\kappa are infinite cardinals, a linear order LL is isomorphic to a maximal chain in [κ]κκ[\kappa ]^{\kappa |\kappa } (resp. [κ]λκ[\kappa ]^{\lambda |\kappa }; [κ]κλ[\kappa ]^{\kappa |\lambda }) iff LL is weakly Boolean, the weight of all initial segments of LL is equal to κ\kappa (resp. λ\lambda, λ+\lambda ^+) and the weight of all final segments of LL is equal to κ\kappa (resp. λ+\lambda ^+, λ\lambda ). We also provide an application of this result in topology.

Keywords

Cite

@article{arxiv.2412.20463,
  title  = {Weakly Boolean maximal chains of homeomorphic topologies},
  author = {Miloš Kurilić and Boriša Kuzeljević},
  journal= {arXiv preprint arXiv:2412.20463},
  year   = {2024}
}
R2 v1 2026-06-28T20:51:07.885Z