Results 11 to 20 of about 68,793 (266)
On the Structure of Topological Spaces [PDF]
The structure of topological spaces is analysed here through the lenses of fibrous preorders. Each topological space has an associated fibrous preorder and those fibrous preorders which return a topological space are called spatial.
Nelson Martins-Ferreira
doaj +3 more sources
Cycle spaces in topological spaces [PDF]
AbstractWe develop a general model of edge spaces in order to generalize, unify, and simplify previous work on cycle spaces of infinite graphs. We give simple topological criteria to show that the fundamental cycles of a (generalization of a) spanning tree generate the cycle space in a connected, compact, weakly Hausdorff edge space.
Antoine Vella, R. Bruce Richter
openaire +1 more source
On the gamma spectrum of multiplication gamma acts
In this paper we introduce the concept of topological gamma act as a generalization of Zariski topology . Some topological properties of this topology are studied.
Mehdi S. Abbas, Samer A. Jubair
doaj +1 more source
Hyperspaces of topological vector spaces: their embedding in topological vector spaces [PDF]
Let L L be a real (Hausdorff) topological vector space. The space
Prem Prakash, Murat R. Sertel
openaire +3 more sources
Topological nodal line semimetals in holography
We show a holographic model of a strongly coupled topological nodal line semimetal (NLSM) and find that the NLSM phase could go through a quantum phase transition to a topologically trivial state.
Yan Liu, Ya-Wen Sun
doaj +1 more source
New Types of Topologies and Neutrosophic Topologies (Improved Version) [PDF]
In this paper we recall the six new types of topologies, and their corresponding topological spaces, that we introduced in the last years (2019-20223), such as: NeutroTopology, AntiTopology, Refined Neutrosophic Topology, Refined Neutrosophic Crisp ...
Florentin Smarandache
doaj +1 more source
Discretization of Topological Spaces [PDF]
19 ...
Amini, Massoud, Golestani, Nasser
openaire +2 more sources
Topological invariants for holographic semimetals
We study the behavior of fermion spectral functions for the holographic topological Weyl and nodal line semimetals. We calculate the topological invariants from the Green functions of both holographic semimetals using the topological Hamiltonian method ...
Yan Liu, Ya-Wen Sun
doaj +1 more source
Constructions and Properties of Quasi Sigma-Algebra in Topological Measure Space
The topological views of a measure space provide deep insights. In this paper, the sigma-set algebraic structure is extended in a Hausdorff topological space based on the locally compactable neighborhood systems without considering strictly (metrized ...
Susmit Bagchi
doaj +1 more source
Countable Fuzzy Topological Space and Countable Fuzzy Topological Vector Space
This paper deals with countable fuzzy topological spaces, a generalization of the notion of fuzzy topological spaces. A collection of fuzzy sets F on a universe X forms a countable fuzzy topology if in the definition of a fuzzy topology, the condition of
Apu Kumar Saha, Debasish Bhattacharya
doaj +1 more source

