Results 51 to 60 of about 722,539 (348)

An operation on topological spaces

open access: yesApplied General Topology, 2000
<p>A (binary) product operation on a topological space X is considered. The only restrictions are that some element e of X is a left and a right identity with respect to this multiplication, and that certain natural continuity requirements are satisfied. The operation is called diagonalization (of X). Two problems are considered: 1.
openaire   +5 more sources

Topological Structures on DMC Spaces † [PDF]

open access: yesEntropy, 2017
Two channels are said to be equivalent if they are degraded from each other. The space of equivalent channels with input alphabet X and output alphabet Y can be naturally endowed with the quotient of the Euclidean topology by the equivalence relation.
openaire   +9 more sources

Mechanical Metamaterials for Bioengineering: In Vitro, Wearable, and Implantable Applications

open access: yesAdvanced Engineering Materials, EarlyView.
Mechanical metamaterials with engineered architectures exhibit properties that differ from and greatly surpass those of their constituent bulk materials. This review summarizes the applications of mechanical metamaterials in bioengineering, focusing on advances in the last 5 years.
Madihah Kazim   +2 more
wiley   +1 more source

Pairwise Compact In Intuitionistic Double Topological Spaces

open access: yesJournal of Kufa for Mathematics and Computer, 2011
The concept of intuitionistic topological space was introduced by Çoker .The aim of this paper is to discuss the relation between  bitopological spaces and double- topological spaces and give a notion of pairwise compact for double topological spaces .
Hadi J Mustafa   +2 more
doaj   +1 more source

Weak topologies for unbounded nets in CAT($0$) spaces [PDF]

open access: yesarXiv, 2022
Weak topologies that yield weak convergence for bounded sequences and nets in CAT($0$) spaces have been studied in the past. We are here concerned with weak topologies that yield weak convergence of unbounded sequences and nets. We analyze two such topologies that generalize the weak topology on Hilbert spaces and that agree with the strong topology on
arxiv  

Exploiting Geometric Frustration in Coupled von Mises Trusses to Program Multifunctional Mechanical Metamaterials

open access: yesAdvanced Engineering Materials, EarlyView.
Mechanical metamaterials capable of compressive stiffness tunability, shape morphing, and post‐fabrication modularity. Herein, the 3D unit cell design is based on an assembly of bistable von Mises trusses that exhibit a switch in compressive stiffness and resting height from one stable state to the other.
Yannis Liétard   +2 more
wiley   +1 more source

More on Fuzzy Topological Spaces on Fuzzy Space [PDF]

open access: yesarXiv, 2021
The fuzzy topological space was introduced by Dip in 1999 depending on the notion of fuzzy spaces. Dip's approach helps to rectify the deviation in some definitions of fuzzy subsets in fuzzy topological spaces. In this paper, further definitions, and theorems on fuzzy topological space fill the lack in Dip's article.
arxiv  

Consolidate Overview of Ribonucleic Acid Molecular Dynamics: From Molecular Movements to Material Innovations

open access: yesAdvanced Engineering Materials, EarlyView.
Molecular dynamics simulations are advancing the study of ribonucleic acid (RNA) and RNA‐conjugated molecules. These developments include improvements in force fields, long‐timescale dynamics, and coarse‐grained models, addressing limitations and refining methods.
Kanchan Yadav, Iksoo Jang, Jong Bum Lee
wiley   +1 more source

The Fixed Point Property of Non-Retractable Topological Spaces

open access: yesMathematics, 2019
Unlike the study of the fixed point property (FPP, for brevity) of retractable topological spaces, the research of the FPP of non-retractable topological spaces remains. The present paper deals with the issue.
Jeong Min Kang, Sang-Eon Han, Sik Lee
doaj   +1 more source

Sum of Soft Topological Spaces

open access: yesMathematics, 2020
In this paper, we introduce the concept of sum of soft topological spaces using pairwise disjoint soft topological spaces and study its basic properties.
Tareq M. Al-shami   +2 more
doaj   +1 more source

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