Results 21 to 30 of about 1,495,717 (183)

Orthogonal projection regularization operators [PDF]

open access: yesNumerical Algorithms, 2007
The authors propose Tikhonov regularization operators of the form \(L = I - W W^T\), with \(W^T W = I\) and easy to be computed. They successfully apply these constructions to iterative and singular value decomposition-based methods. Numerical examples are presented for first kind integral equations and image restoration problems.
MORIGI, SERENA   +2 more
openaire   +2 more sources

On eigenvalues of third order composite type equations with regular boundary value conditions

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2019
In the paper the question about distribution of eigenvalues of third - order composite type equations with regular, more precisely, with periodic boundary value conditions is studied.
N.S. Imanbaev, M.N. Ospanov
doaj   +1 more source

About Riesz theory of compact operators

open access: yesBibechana, 2012
In this paper, it is shown that every compact operators are bounded and continuous. The bounded and continuous properties of an operator is sufficient for a Riesz operator.
Nagendra Pd Sah
doaj   +3 more sources

Neutrosophic θ−Closure Operator [PDF]

open access: yesNeutrosophic Sets and Systems, 2023
The fundamental intent of this article is to develop the idea of neutrosophic θ-cluster point, neutrosophic θ-closure operator, neutrosophic θq-neibourhood in neutrosophic topological spaces.
Md. Hanif Page   +2 more
doaj   +1 more source

On the Quotients of Regular Operators

open access: yesUniversal Journal of Mathematics and Applications, 2019
We give some results about quotients of regular operators on Banach lattices by the linear span of the positive M-weakly and positive L-weakly compact operators.
Erdal Bayram   +1 more
doaj   +1 more source

T-Semi α-Operator [PDF]

open access: yesEngineering and Technology Journal, 2012
In this paper we have defined the T-operator ,T-semia -operator and we studied the relation among them, and we define T-semia -open, Tsemi a -regular, and monotone operator, also we defined (T,L) semia - conations ,(T,L) strongly semia -continues ,(T,L ...
Intidhar Z. Mushtt
doaj   +1 more source

$r$-fuzzy regular semi open sets in smooth topological spaces [PDF]

open access: yesSahand Communications in Mathematical Analysis, 2017
In this paper, we introduce and study the concept of $r$-fuzzy regular semi open (closed) sets in smooth topological spaces. By using $r$-fuzzy regular semi open (closed) sets, we define a new fuzzy closure operator namely $r$-fuzzy regular semi interior
Appachi Vadivel, Elangovan Elavarasan
doaj  

Spectral Analysis of One-Dimensional Dirac System with Summable Potential and Sturm- Liouville Operator with Distribution Coefficients

open access: yesСовременная математика: Фундаментальные направления, 2020
We consider one-dimensional Dirac operatorLP,U with Birkhoff regular boundary conditions and summable potential P(x) on[0, π]. We introduce strongly and weakly regular operators. In both cases, asymptotic formulas for eigenvalues are found.
A. M. Savchuk, I. V Sadovnichaya
doaj   +1 more source

FINITE MARKOV CHAINS IN THE MODEL REPRESENTATION OF THE HUMAN OPERATOR ACTIVITY IN QUASI-FUNCTIONAL ENVIRONMENT [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2016
Subject of Research. We analyze the problems of finite Markov chains apparatus application for simulating a human operator activity in the quasi-static functional environment.
M. V. Serzhantova, A. V. Ushakov
doaj   +1 more source

Operator Inequalities of Morrey Spaces Associated with Karamata Regular Variation

open access: yesJournal of Function Spaces, 2017
Karamata regular variation is a basic tool in stochastic process and the boundary blow-up problems for partial differential equations (PDEs). Morrey space is closely related to study of the regularity of solutions to elliptic PDEs.
Jiajia Wang   +3 more
doaj   +1 more source

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