Results 51 to 60 of about 358 (190)

A Comprehensive Review on the Fejér-Type Inequality Pertaining to Fractional Integral Operators

open access: yesAxioms, 2023
A review of the results on the fractional Fejér-type inequalities, associated with different families of convexities and different kinds of fractional integrals, is presented.
Muhammad Tariq   +2 more
doaj   +1 more source

New Variant of Hermite–Hadamard, Fejér and Pachpatte-Type Inequality and Its Refinements Pertaining to Fractional Integral Operator

open access: yesFractal and Fractional, 2023
In order to show novel generalizations of mathematical inequality, fractional integral operators are frequently used. Fractional operators are used to simulate a broad range of scientific as well as engineering phenomena such as elasticity, viscous fluid,
Muhammad Tariq   +2 more
doaj   +1 more source

Certain Novel Fractional Integral Inequalities via Fuzzy Interval Valued Functions

open access: yesFractal and Fractional, 2023
Fuzzy-interval valued functions (FIVFs) are the generalization of interval valued and real valued functions, which have a great contribution to resolve the problems arising in the theory of interval analysis. In this article, we elaborate the convexities
Miguel Vivas-Cortez   +5 more
doaj   +1 more source

Mixed Variational-like Inequality Problems in Abstract Convex Spaces

open access: yesResults in Nonlinear Analysis, 2020
P.K. Das and G.C. Nayak [3] introduced the concept of generalized variational like inequalities in H-spaces in the presence of T-η-invex function. There the existence theorems of mixed generalized variational like inequalities are studied in H-spaces and
Wanbok Lee
doaj  

Riemann–Liouville Fractional Integral Inequalities for Generalized Pre-Invex Functions of Interval-Valued Settings Based upon Pseudo Order Relation

open access: yesMathematics, 2022
The concepts of convex and non-convex functions play a key role in the study of optimization. So, with the help of these ideas, some inequalities can also be established. Moreover, the principles of convexity and symmetry are inextricably linked.
Muhammad Bilal Khan   +4 more
doaj   +1 more source

A one-layer recurrent neural network for constrained nonsmooth invex optimization [PDF]

open access: yes, 2014
Invexity is an important notion in nonconvex optimization. In this paper, a one-layer recurrent neural network is proposed for solving constrained nonsmooth invex optimization problems, designed based on an exact penalty function method.
Wang, J, Yan, Z, Li, G
core   +1 more source

Some New Versions of Hermite–Hadamard Integral Inequalities in Fuzzy Fractional Calculus for Generalized Pre-Invex Functions via Fuzzy-Interval-Valued Settings

open access: yesFractal and Fractional, 2022
The purpose of this study is to prove the existence of fractional integral inclusions that are connected to the Hermite–Hadamard and Hermite–Hadamard–Fejér type inequalities for χ-pre-invex fuzzy-interval-valued functions.
Muhammad Bilal Khan   +4 more
doaj   +1 more source

Some Certain Fuzzy Fractional Inequalities for Up and Down -Pre-Invex via Fuzzy-Number Valued Mappings

open access: yesFractal and Fractional, 2023
In this study, we apply a recently developed idea of up and down fuzzy-ordered relations between two fuzzy numbers. Here, we consider fuzzy Riemann–Liouville fractional integrals to establish the Hermite–Hadamard-, Fejér-, and Pachpatte-type inequalities.
Muhammad Bilal Khan   +3 more
doaj   +1 more source

An eye on long‐duration spaceflight: Controversies, countermeasures and challenges

open access: yesExperimental Physiology, EarlyView.
Abstract Space flight‐associated neuroocular syndrome (SANS) is a consequence of long‐duration space flight and is detected in two‐thirds of astronauts. In‐flight, this can cause a change in the refraction of the eyes, requiring graded hypermetropic ‘superfocus adjustable’ glasses, optic nerve head oedema and choroidal folds.
Vincent Wing Sum Ng   +1 more
wiley   +1 more source

Jensen-Type Inequalities for Invex Functions [PDF]

open access: yes, 1999
Jensen's inequality for a real convex function f on a convex domain is generalised in several ways to vector functions with a cone inequality, and to invex functions generalizing convex ...
Craven, Bruce Desmond   +2 more
core  

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