Results 21 to 30 of about 100 (86)

Hypergroup algebras as topological algebras

open access: yes, 2014
Let \(K\) be a locally compact hypergroup endowed with a left Haar measure and let \(L^1(K)\) be the usual Lebesgue space of \(K\) with respect to the left Haar measure.
Maghsoudi, S.   +2 more
core   +1 more source

The Role of Nonpolynomiality in Uniform Approximation by RBF Networks of Hankel Translates

open access: yesJournal of Function Spaces, Volume 2019, Issue 1, 2019., 2019
Given μ > −1/2 and c ∈ I = ]0, ∞[, let the space Cμ,c (respectively, Cμ) consist of all those continuous functions u on ]0, c] (respectively, I) such that the limit limz→0+⁡z−μ−1/2u(z) exists and is finite; Cμ,c is endowed with the uniform norm uμ,∞,c=supz∈[0,c]⁡z-μ-12/u(z) (u∈Cμ,c).
Isabel Marrero, Yoshihiro Sawano
wiley   +1 more source

On Fuzzy Ordered Hyperideals in Ordered Semihyperrings

open access: yesAdvances in Fuzzy Systems, Volume 2019, Issue 1, 2019., 2019
In this paper, we introduce the concept of fuzzy ordered hyperideals of ordered semihyperrings, which is a generalization of the concept of fuzzy hyperideals of semihyperrings to ordered semihyperring theory, and we investigate its related properties. We show that every fuzzy ordered quasi‐hyperideal is a fuzzy ordered bi‐hyperideal, and, in a regular ...
O. Kazancı   +3 more
wiley   +1 more source

Rough Hyperfilters in Po‐LA‐Semihypergroups

open access: yesDiscrete Dynamics in Nature and Society, Volume 2019, Issue 1, 2019., 2019
This paper concerns the study of hyperfilters of ordered LA‐semihypergroups, and presents some examples in this respect. Furthermore, we study the combination of rough set theory and hyperfilters of an ordered LA‐semihypergroup. We define the concept of rough hyperfilters and provide useful examples on it.
Ferdaous Bouaziz   +2 more
wiley   +1 more source

Weighted discrete hypergroups

open access: yes, 2016
Weighted group algebras have been studied extensively in Abstract Harmonic Analysis, where complete characterizations have been found for some important properties of weighted group algebras, namely, amenability and Arens regularity.
Samei, Ebrahim,   +3 more
core   +1 more source

A Decomposition‐Based Unified Evolutionary Algorithm for Many‐Objective Problems Using Particle Swarm Optimization

open access: yesMathematical Problems in Engineering, Volume 2016, Issue 1, 2016., 2016
Evolutionary algorithms have proved to be efficient approaches in pursuing optimum solutions of multiobjective optimization problems with the number of objectives equal to or less than three. However, the searching performance degenerates in high‐dimensional objective optimizations.
Anqi Pan   +4 more
wiley   +1 more source

Biopreparations for the decomposition of crop residues

open access: yesMicrobial Biotechnology, Volume 17, Issue 8, August 2024.
Researchers and farmers are actively exploring natural solutions to enhance agricultural productivity. This review discusses the opportunities and challenges associated with biopreparation for decomposition of crop residues as a chance for sustainable agricultural practises and biotechnology industry.
Patrycja Rowińska   +3 more
wiley   +1 more source

Uncertainty Principles for the Dunkl‐Wigner Transforms

open access: yesJournal of Operators, Volume 2016, Issue 1, 2016., 2016
We prove a version of Heisenberg‐type uncertainty principle for the Dunkl‐Wigner transform of magnitude s > 0; and we deduce a local uncertainty principle for this transform.
Fethi Soltani, Dashan Fan
wiley   +1 more source

Ordered Left Almost ⋇‐Semihypergroups Based on Fuzzy Sets

open access: yesJournal of Mathematics, Volume 2024, Issue 1, 2024.
The concept of an involution or anti‐involution is a self‐inverse linear mapping that plays a prominent role in the theory of algebraic structures, particularly rings, hyperrings, ordered semigroups, and ordered semihypergroups. Nowadays, the study of involutions in ordered hyperstructures is a particular area of research in the field of hyperstructure
Nabilah Abughazalah   +2 more
wiley   +1 more source

Some Generalized Forms of Fuzzy Interval Valued Hyperideals in a Hyperring

open access: yesJournal of Applied Mathematics, Volume 2014, Issue 1, 2014., 2014
Some generalized forms of the hyperideals of a hyperring in the paper of Zhan et al. (2008) will be given. As a generalization of the interval valued (α, β)‐fuzzy hyperideals of a hyperring with α, β ∈ {∈, q, ∈∧q, ∈∨q} and α ≠ ∈∧q, the notion of generalized interval valued (α, β)‐fuzzy hyperideals of a hyperring is also introduced. Special attention is
Hongjie Li   +3 more
wiley   +1 more source

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