期刊: TOPOLOGY AND ITS APPLICATIONS, 2021; 289 ()
Let Top(d), Top(w )and Sob be the category of all d-spaces, that of all well-filtered spaces and that of all sober spaces respectively. For a full sub......
期刊: TOPOLOGY AND ITS APPLICATIONS, 2021; 297 ()
We present a 3-manifold automorphism f : M -> M with rank Fix(f*) = 2rank pi(1)(M). Related facts are discussed. (C) 2021 Published by Elsevier B.V......
期刊: TOPOLOGY AND ITS APPLICATIONS, 2021; 298 ()
Weak sobriety is a topological property that gives rise to a categorical equivalence between topological spaces and distributive lattices without a le......
期刊: TOPOLOGY AND ITS APPLICATIONS, 2021; 300 ()
The present paper investigates a strong homotopy (i.e., SA-homotopy) in a finite topological adjacency category. We prove that two minimal finite spac......
期刊: TOPOLOGY AND ITS APPLICATIONS, 2021; 295 ()
In this paper, we answer two problems concerning sobriety. One concerns the existence of a closed set lattice whose Scott space is non-sober. Another ......
期刊: TOPOLOGY AND ITS APPLICATIONS, 2021; 295 ()
In this paper, we mainly consider some cardinal invariants and grasps of quasitopological groups and some properties of two classes of quasitopologica......
期刊: TOPOLOGY AND ITS APPLICATIONS, 2021; 296 ()
Our main objective is a further study of M-factorizability in topological groups as defined in Zhang, Peng, He, Tkachenko (2020) [15]. We focus on top......
期刊: TOPOLOGY AND ITS APPLICATIONS, 2021; 300 ()
In this paper, we investigate some versions of d-space, well-filtered space and Rudin space concerning various countability properties. It is proved t......
期刊: TOPOLOGY AND ITS APPLICATIONS, 2021; 295 ()
In this paper some formulas of supremum topological sequence entropy h(top)(infinity)(f) are investigated for circle maps. If f is a circle map then h......
期刊: TOPOLOGY AND ITS APPLICATIONS, 2021; 299 ()
The notion of localic real functions was introduced by Gutierrez Garcia et al. with which pointfree forms of insertion theorems for some classes of to......
期刊: TOPOLOGY AND ITS APPLICATIONS, 2021; 300 ()
For certain property R of topological T-0-spaces, we prove that if T-0-space Y has property R, then [X, Y] endowed with the Isbell topology possesses ......
期刊: TOPOLOGY AND ITS APPLICATIONS, 2021; 300 ()
In this paper, we prove the following results: (1) Let f : G -> H be a continuous d-open surjective homomorphism; if G is an R-factorizable paratop......
期刊: TOPOLOGY AND ITS APPLICATIONS, 2021; 299 ()
A topological space X is called a coset space if X is homeomorphic to a quotient space G/H of left cosets, for some closed subgroup H of a topological......
期刊: TOPOLOGY AND ITS APPLICATIONS, 2021; 297 ()
In this paper, we derive a sharp condition on the equivalence of topological transitivity among an interval autonomous dynamical system, its induced s......
期刊: TOPOLOGY AND ITS APPLICATIONS, 2021; 300 ()
In this paper, we continue the study of the cancellation problem for the cartesian product of partially ordered sets (posets for short) and of T-0-spa......