نتایج جستجو برای: convex functions

تعداد نتایج: 534960  

Journal: :bulletin of the iranian mathematical society 0
z.-g. wang hengyang normal university y.-p. jiang hunan university

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Journal: :bulletin of the iranian mathematical society 0
k. sharma department of mathematics‎, ‎atma ram sanatan dharma college‎, ‎university of delhi‎, ‎delhi 110021‎, ‎india. v. ravichandran department of mathematics‎, ‎university of delhi‎, ‎delhi--110007‎, ‎india.

let $p$ be an analytic function defined on the open unit disc $mathbb{d}$ with $p(0)=1.$ the conditions on $alpha$ and $beta$ are derived for $p(z)$ to be subordinate to $1+4z/3+2z^{2}/3=:varphi_{c}(z)$ when $(1-alpha)p(z)+alpha p^{2}(z)+beta zp'(z)/p(z)$ is subordinate to $e^{z}$. similar problems were investigated for $p(z)$ to lie in a region bounded by lemniscate of bernoulli $|w^{2}-1...

In this paper we find a characterization type result for (η1,η2)-convex functions. The Fejér integral inequality related to (η1,η2)-convex functions is obtained as a generalization of Fejér inequality related to the preinvex and η-convex functions. Also some Fejér trapezoid and midpoint type inequalities are given in the case that the absolute value of the derivative of considered function is (...

Hermite-Hadamard inequality is one of the fundamental applications of convex functions in Theory of Inequality. In this paper, Hermite-Hadamard inequalities for $mathbb{B}$-convex and $mathbb{B}^{-1}$-convex functions are proven.

Journal: :iranian journal of science and technology (sciences) 2009
a. ebadian

the aim of this paper is to prove some inequalities for p-valent meromorphic functions in thepunctured unit disk δ* and find important corollaries.

Journal: :bulletin of the iranian mathematical society 2011
s. k. lee r. m. ali v. ravichandran s. supramaniam

ژورنال: پژوهش های ریاضی 2021

In this paper, we first present a preliminary study on metric segments and geodesics in metric spaces. Then we recall the concept of d-convexity of sets and functions in the sense of Menger and study some properties of d-convex sets and d-convex functions as well as extreme points and faces of d-convex sets in normed spaces. Finally we study the continuity of d-convex functions in geodesic metr...

In this manuscript, we introduce concepts of (m1,m2)-logarithmically convex (AG-convex) functions and establish some Hermite-Hadamard type inequalities of these classes of functions.

Journal: :international journal of nonlinear analysis and applications 2012
l. stanciu d. breaz

in this paper, we study the convexity of the integral operator

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