Results 51 to 60 of about 561 (68)

E-compactness in pointfree topology

open access: yes, 1998
Bibliography: leaves 100-107.The main purpose of this thesis is to develop a point-free notion of E-compactness. Our approach follows that of Banascheski and Gilmour in [17].
Marcus, Nizar, Nizar Marcus
core  

On spacetime symmetries and topology in bimetric theories

open access: yes
We explore spacetime symmetries and topologies of the two metric sectors in Hassan-Rosen bimetric theory. We show that, in vacuum, the two sectors can either share or have separate spacetime symmetries.
Högås, Marcus,   +3 more
core  
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Marcus–Wyse topological rough sets and their applications

International Journal of Approximate Reasoning, 2019
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Sang-Eon Han
exaly   +2 more sources

A quotient-universal digital topology

open access: yesTheoretical Computer Science, 2008
We study a special topology on Z2 and show that both the Marcus topology and the Khalimsky topology and also one more digital topology on Z2 may be obtained as three of its quotient topologies.
Josef Slapal
exaly   +2 more sources

Semi-Jordan curve theorem on the Marcus-Wyse topological plane

Electronic Research Archive, 2022
Sang-Eon Han
exaly  

The Fixed Point Property of the Infinite M-Sphere

Mathematics, 2020
Sang-Eon Han, Han Sang-Eon
exaly  

Homotopy based on Marcus–Wyse topology and its applications

Topology and Its Applications, 2016
Sang-Eon Han, Wei Yao
exaly  

Digitizations associated with several types of digital topological approaches

Computational and Applied Mathematics, 2015
Sang-Eon Han, Han Sang-Eon
exaly  

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