Results 31 to 40 of about 9,067 (308)

A Study of Algebraic Curves in Neutrosophic Real Ring R(I) by Using the One-Dimensional Geometric AH-Isometry [PDF]

open access: yesNeutrosophic Sets and Systems, 2023
The objective of this paper is to study and define some algebraic curves with neutrosophic variables in neutrosophic real field 𝑅(𝐼), where we study what are the relationships between classical algebraic curves and neutrosophic algebraic curves depending
Safwan Owera, Malath F. Alaswad
doaj   +1 more source

Quantum Isometry Groups [electronic resource] /

open access: yes, 2016
This book offers an up-to-date overview of the recently proposed theory of quantum isometry groups. Written by the founders, it is the first book to present the research on the “quantum isometry group”, highlighting the interaction of noncommutative ...
Bhowmick, Jyotishman.author.authttp://id.loc.gov/vocabulary/relators/aut   +2 more
core   +2 more sources

Essential Norm of the Weighted Composition Operators Between Growth Space [PDF]

open access: yesSahand Communications in Mathematical Analysis
For $\alpha>0$, the growth space $\mathcal{A}^{-\alpha}$ is the space of all function $f\in H(\DD)$ such that $$\left\|f\right\|_{\mathcal{A}^{-\alpha}}=\sup_{z\in\DD}\left(1-\left|z\right|^2\right)^\alpha \left|f(z)\right|
Ebrahim Abbasi, Mostafa Hassanlou
doaj   +1 more source

Discrete O(1,4) Transformations And New Scalar Quantum Modes On The De Sitter Spacetime

open access: yesAnnals of West University of Timisoara: Physics, 2012
It is shown that the isometry group of the de Sitter spacetime includes two different three-dimensional Abelian subgroups which transform between themselves through a discrete isometry corresponding to the time reversal in the five-dimensional Minkowski ...
Cotăescu Ion I.
doaj   +1 more source

Discretizations of Isometries [PDF]

open access: yes, 2016
This paper deals with the dynamics of discretizations of isometries of $\mathbf R^n$, and more precisely the density of the successive images of $\mathbf Z^n$ by the discretizations of a generic sequence of isometries. We show that this density tends to 0 as the time goes to infinity.
openaire   +2 more sources

The Groups of Isometries of Metric Spaces over Vector Groups

open access: yesMathematics, 2022
In this paper, we consider the groups of isometries of metric spaces arising from finitely generated additive abelian groups. Let A be a finitely generated additive abelian group.
Sheng Bau, Yiming Lei
doaj   +1 more source

Isometries for the Carathéodory metric [PDF]

open access: yesProceedings of the American Mathematical Society, 2008
Given two open unit balls B 1 B_1 and
ABATE, MARCO, Vigue JP
openaire   +3 more sources

On certain Banach spaces of difference sequences of fuzzy real numbers [PDF]

open access: yesMaejo International Journal of Science and Technology, 2014
Some sets of difference sequences of fuzzy real numbers which have Banach subspaces are introduced and investigated. Further, it is shown that these subspaces are isometric with some subsets of the sets of null, convergent and bounded sequences of fuzzy
Hemen Dutta
doaj   +1 more source

The use of the isometry of function spaces with different numbers of variables in the theory of approximation of functions

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2021
In the work, we found integral representations for function spaces that are isometric to spaces of entire functions of exponential type, which are necessary for giving examples of equality of approximation characteristics in function spaces isometric to ...
D.M. Bushev   +3 more
doaj   +1 more source

On the differentiability of isometries [PDF]

open access: yesProceedings of the American Mathematical Society, 1957
Let 9TC be an re-dimensional differentiable manifold of class Ck, k = l, • • • , oo, w (as usual O" means analytic, and we use the conventions * ±m= and w + w=w for integers m). An automorphism of 9TC is a one-to-one map of 911 onto itself which is of class C* and is nonsingular. Now let 9TC be given a Riemannian structure, i.e.
openaire   +2 more sources

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