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Axioms
Special Issues
Analysis of Mathematical Inequalities
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Analysis of Mathematical Inequalities

A special issue of Axioms (ISSN 2075-1680). This special issue belongs to the section "Mathematical Analysis".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 873

Special Issue Editor

Dr. Muhammad Bilal Khan

E-Mail
Guest Editor
Department of Mathematics and Computer Science, Transilvania University of Brasov, 29 Eroilor Boulevard, 500036 Brasov, Romania
Interests: soft set theory; fuzzy integral inequalities; fuzzy graph theory; fuzzy decision-making

Special Issue Information

Dear Colleagues,

The extraordinary theory of inequalities is a long-standing topic in many different mathematical areas. It remains an attractive research subject, with many interesting applications in fuzzy fractional calculus, fuzzy quantum calculus, operator theory, operator equations, network theory, and quantum information theory. At present, this is a very active research area that has been enriched by the interplay between individual areas.

The numerical integration and estimation of definite integrals is a vital piece of applied science. Simpson's rules are momentous among the numerical techniques.

This Special Issue will collate original research papers in all areas of mathematics and its numerous applications that are concerned with inequalities or their basic role. The research results presented are related to the improvement, extensions, and generalizations of classical and recent inequalities and highlight their applications in functional analysis, nonlinear functional analysis, multivariate analysis, quantum calculus, statistics, probability, and other relevant fields.

Please note that all submitted papers should be within the scope of the journal.

Dr. Muhammad Bilal Khan
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Axioms is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • fuzzy integral inequalities
  • generalized convexity
  • quantum calculus
  • fuzzy fractional calculus
  • interval-valued calculus
  • multivariate analysis
  • means
  • operator theory
  • approximation theory

Published Papers (2 papers)

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Research

30 pages, 514 KiB  
Article
A New Class of Coordinated Non-Convex Fuzzy-Number-Valued Mappings with Related Inequalities and Their Applications
by Aleksandr Rakhmangulov, A. F. Aljohani, Ali Mubaraki and Saad Althobaiti
Axioms 2024, 13(6), 404; https://doi.org/10.3390/axioms13060404 (registering DOI) - 16 Jun 2024
Viewed by 96
Abstract
Both theoretical and applied mathematics depend heavily on integral inequalities with generalized convexity. Because of its many applications, the theory of integral inequalities is currently one of the areas of mathematics that is evolving at the fastest pace. In this paper, based on [...] Read more.
Both theoretical and applied mathematics depend heavily on integral inequalities with generalized convexity. Because of its many applications, the theory of integral inequalities is currently one of the areas of mathematics that is evolving at the fastest pace. In this paper, based on fuzzy Aumann’s integral theory, the Hermite–Hadamard’s type inequalities are introduced for a newly defined class of nonconvex functions, which is known as U·D preinvex fuzzy number-valued mappings (U·D preinvex F·N·V·Ms) on coordinates. Some Pachpatte-type inequalities are also established for the product of two U·D preinvex F·N·V·Ms, and some Hermite–Hadamard–Fejér-type inequalities are also acquired via fuzzy Aumann’s integrals. Additionally, several new generalized inequalities are also obtained for the special situations of the parameters. Additionally, some of the interesting remarks are provided to acquire the classical and new exceptional cases that can be considered as applications of the main outcomes. Lastly, a few suggested uses for these inequalities in numerical integration are made. Full article
(This article belongs to the Special Issue Analysis of Mathematical Inequalities)
19 pages, 2547 KiB  
Article
The Estimation of Different Kinds of Integral Inequalities for a Generalized Class of Convex Mapping and a Harmonic Set via Fuzzy Inclusion Relations and Their Applications in Quadrature Theory
by Ali Althobaiti, Saad Althobaiti and Miguel Vivas Cortez
Axioms 2024, 13(6), 344; https://doi.org/10.3390/axioms13060344 - 22 May 2024
Viewed by 375
Abstract
The relationship between convexity and symmetry is widely recognized. In fuzzy theory, both concepts exhibit similar behavior. It is crucial to remember that real and interval-valued mappings are special instances of fuzzy-number-valued mappings (F-N-V-Ms), [...] Read more.
The relationship between convexity and symmetry is widely recognized. In fuzzy theory, both concepts exhibit similar behavior. It is crucial to remember that real and interval-valued mappings are special instances of fuzzy-number-valued mappings (F-N-V-Ms), as fuzzy theory relies on the unit interval, which is crucial to resolving problems with interval analysis and fuzzy number theory. In this paper, a new harmonic convexities class of fuzzy numbers has been introduced via up and down relation. We show several Hermite–Hadamard (H⋅H) and Fejér-type inequalities by the implementation of fuzzy Aumann integrals using the newly defined class of convexities. Some nontrivial examples are also presented to validate the main outcomes. Full article
(This article belongs to the Special Issue Analysis of Mathematical Inequalities)
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