Results 41 to 50 of about 1,126,227 (356)

A note on generalized convex functions

open access: yesJournal of Inequalities and Applications, 2019
In the article, we provide an example for a η-convex function defined on rectangle is not convex, prove that every η-convex function defined on rectangle is coordinate η-convex and its converse is not true in general, define the coordinate (η1,η2) $(\eta
Syed Zaheer Ullah   +2 more
doaj   +1 more source

Extremal Approximately Convex Functions and Estimating the Size of Convex Hulls [PDF]

open access: yes, 1998
A real valued function $f$ defined on a convex $K$ is anemconvex function iff it satisfies $$ f((x+y)/2) \le (f(x)+f(y))/2 + 1. $$ A thorough study of approximately convex functions is made.
Dilworth, S. J.   +2 more
core   +3 more sources

Fractional Hadamard and Fejér-Hadamard Inequalities Associated with Exponentially s,m-Convex Functions

open access: yesJournal of Function Spaces, 2020
The aim of this paper is to present the fractional Hadamard and Fejér-Hadamard inequalities for exponentially s,m-convex functions. To establish these inequalities, we will utilize generalized fractional integral operators containing the Mittag-Leffler ...
Shuya Guo   +4 more
doaj   +1 more source

Ostrowski type inequalities via some exponentially convex functions with applications

open access: yesAIMS Mathematics, 2020
In this paper, we obtain ostrowski type inequalities for exponentially convex function and exponentially s-convex function in second sense. Applications to some special means are also obtain. Here we extend the results of some previous investigations.
Naila Mehreen, Matloob Anwar
doaj   +1 more source

Refinement and corrigendum of bounds of fractional integral operators containing Mittag-Leffler functions

open access: yesAIMS Mathematics, 2020
The main objective of this paper is to compute refinements of bounds of the generalized fractional integral operators containing an extended generalized Mittag-Leffler function in their kernels.
Ghulam Farid   +4 more
doaj   +1 more source

Unification of Generalized and p-Convexity

open access: yesJournal of Function Spaces, 2020
In the present note, we will introduce the definition of generalized p convex function. We will investigate some properties of generalized p convex function.
Chahn Yong Jung   +5 more
doaj   +1 more source

The number of directed k-convex polyominoes [PDF]

open access: yes, 2015
We present a new method to obtain the generating functions for directed convex polyominoes according to several different statistics including: width, height, size of last column/row and number of corners.
Boussicault, Adrien   +2 more
core   +4 more sources

Generalized Fractional Hadamard and Fejér–Hadamard Inequalities for Generalized Harmonically Convex Functions

open access: yesJournal of Mathematics, 2020
In this paper, we define a new function, namely, harmonically α,h−m-convex function, which unifies various kinds of harmonically convex functions.
Chahn Yong Jung   +4 more
doaj   +1 more source

On entropic quantities related to the classical capacity of infinite dimensional quantum channels

open access: yes, 2004
In this paper we consider the $\chi$-function (the Holevo capacity of constrained channel) and the convex closure of the output entropy for arbitrary infinite dimensional channel.
Shirokov, M. E.
core   +2 more sources

Discrete Fenchel Duality for a Pair of Integrally Convex and Separable Convex Functions [PDF]

open access: yesarXiv, 2021
Discrete Fenchel duality is one of the central issues in discrete convex analysis. The Fenchel-type min-max theorem for a pair of integer-valued M-natural-convex functions generalizes the min-max formulas for polymatroid intersection and valuated matroid intersection.
arxiv  

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