Results 1 to 10 of about 81,210 (168)

Jensen, Hermite–Hadamard, and Fejér-Type Inequalities for Reciprocally Strongly (h, s)-Convex Functions

open access: yesJournal of Mathematics, 2023
This paper aims to present a generalized and extended notation of convexity by unifying reciprocally strong convexity with h,s−convexity. We introduce the concept of reciprocally strongly h,s−convex functions and establish some of their fundamental ...
Yujun Wang   +3 more
doaj   +1 more source

Robust Nonsmooth Interval-Valued Optimization Problems Involving Uncertainty Constraints

open access: yesMathematics, 2022
In this paper, Karush-Kuhn-Tucker type robust necessary optimality conditions for a robust nonsmooth interval-valued optimization problem (UCIVOP) are formulated using the concept of LU-optimal solution and the generalized robust Slater constraint ...
Rekha R. Jaichander   +3 more
doaj   +1 more source

Advances in Ostrowski-Mercer Like Inequalities within Fractal Space

open access: yesFractal and Fractional, 2023
The main idea of the current investigation is to explore some new aspects of Ostrowski’s type integral inequalities implementing the generalized Jensen–Mercer inequality established for generalized s-convexity in fractal space.
Miguel Vivas-Cortez   +4 more
doaj   +1 more source

Generalized Increasing Convex and Directionally Convex Orders [PDF]

open access: yesJournal of Applied Probability, 2010
In this paper, the componentwise increasing convex order, the upper orthant order, the upper orthant convex order, and the increasing directionally convex order for random vectors are generalized to hierarchical classes of integral stochastic order relations. The elements of the generating classes of functions possess nonnegative partial derivatives up
Denuit, Michel, Mesfioui, Mhamed
openaire   +2 more sources

Schur convexity of the generalized geometric Bonferroni mean and the relevant inequalities

open access: yesJournal of Inequalities and Applications, 2018
In this paper, we discuss the Schur convexity, Schur geometric convexity and Schur harmonic convexity of the generalized geometric Bonferroni mean. Some inequalities related to the generalized geometric Bonferroni mean are established to illustrate the ...
Huan-Nan Shi, Shan-He Wu
doaj   +1 more source

Some Inequalities of Hermite–Hadamard Type for MT-h-Convex Functions via Classical and Generalized Fractional Integrals

open access: yesJournal of Function Spaces, 2022
Convexity plays a vital role in pure and applied mathematics specially in optimization theory, but the classical convexity is not enough to fulfil the needs of modern mathematics; hence, it is important to study generalized notion of convexity.
Hengxiao Qi   +3 more
doaj   +1 more source

Closed geodesics in Alexandrov spaces of curvature bounded from above [PDF]

open access: yes, 2010
In this paper, we show a local energy convexity of $W^{1,2}$ maps into $CAT(K)$ spaces. This energy convexity allows us to extend Colding and Minicozzi's width-sweepout construction to produce closed geodesics in any closed Alexandrov space of curvature ...
A. Hatcher   +23 more
core   +2 more sources

On the convexity of Relativistic Ideal Magnetohydrodynamics [PDF]

open access: yes, 2015
We analyze the influence of the magnetic field in the convexity properties of the relativistic magnetohydrodynamics system of equations. To this purpose we use the approach of Lax, based on the analysis of the linearly degenerate/genuinely non-linear ...
Aloy, Miguel-Ángel   +4 more
core   +5 more sources

Geometric convexity of the generalized sine and the generalized hyperbolic sine [PDF]

open access: yes, 2013
In the paper, the authors prove that the generalized sine function $\sin_{p,q}(x)$ and the generalized hyperbolic sine function $\sinh_{p,q}(x)$ are geometrically concave and geometrically convex, respectively.
Jiang, Wei-Dong, Qi, Feng
core   +1 more source

On Semi-(B,G)-Preinvex Functions

open access: yesAbstract and Applied Analysis, 2012
We firstly construct a concrete semi-invex set which is not invex. Basing on concept of semi-invex set, we introduce some kinds of generalized convex functions, which include semi-(B,G)-preinvex functions, strictly semi-(B,G)-preinvex functions and ...
Xiaoling Liu, D. H. Yuan
doaj   +1 more source

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