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Primal topologies on the integers
Quaestiones Mathematicae ( IF 0.7 ) Pub Date : 2019-11-28 , DOI: 10.2989/16073606.2019.1695686
S. García-Ferreira 1 , A. Guale 2 , J. Vielma 3
Affiliation  

AbstractGiven an infinite set X and a function f : X → X, the primal topology on X induced by f is the topology τf = {U ⊆ X : f−1(U ) ⊆ U}. In this paper, we prove that there are 2ω pairwise non-ho...

中文翻译:

整数上的原始拓扑

摘要给定一个无限集 X 和一个函数 f : X → X,由 f 引起的 X 上的原始拓扑是拓扑 τf = {U ⊆ X : f−1(U ) ⊆ U}。在本文中,我们证明存在 2ω 成对非...
更新日期:2019-11-28
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