نتایج جستجو برای: m convex function

تعداد نتایج: 1717049  

2009
Y. Chen

This paper discussed the characterizations of uniformly convexity of N -functions. Definition 1. A function M(u): R → R is called an N -function if it has the following properties: (1) M is even, continuous, convex; (2) M(0) = 0 and M(u) > 0 for all u = 0; (3) lim u→0 M(u) u = 0 and lim u→+∞ M(u) u = +∞. The N -function generates the Orlicz spaces. So it is important to analysis it. It is well-...

Journal: :Computers & Mathematics with Applications 2009
Szabolcs Baják Zsolt Páles

One of the classical results of the regularity theory of convex functions is the theorem of F. Bernstein and G. Doetsch [1] which states that if a real valued Jensen-convex function defined on an open interval I is bounded from above on a subinterval of I then it is continuous. According to a related result by W. Sierpiński [3], the Lebesgue measurability of a Jensen-convex function implies its...

2010
S. S. Dragomir

Some new Jensen’s type inequalities for di¤erentiable log-convex functions of selfadjoint operators in Hilbert spaces under suitable assumptions for the involved operators are given. Applications for particular cases of interest are also provided. 1. Introduction Jensen’s inequality for convex functions is one of the most important result in the Theory of Inequalities due to the fact that many ...

Journal: :sahand communications in mathematical analysis 0
rahim kargar department of mathematics, payame noor university, i. r. of iran. ali ebadian department of mathematics, payame noor university, i. r. of iran.

assume that $mathbb{d}$ is the open unit disk. applying ozaki's conditions, we consider two classes of locally univalent, which denote by $mathcal{g}(alpha)$ and $mathcal{f}(mu)$ as follows begin{equation*}  mathcal{g}(alpha):=left{fin mathcal{a}:mathfrak{re}left( 1+frac{zf^{prime prime }(z)}{f^{prime }(z)}right)

Journal: :Turkish Journal of Analysis and Number Theory 2019

Journal: :Moroccan Journal of Pure and Applied Analysis 2019

Journal: :Discrete Applied Mathematics 1998
Akiyoshi Shioura

Murota (1995) introduced an M-convex function as a quantitative generalization of the set of integral vectors in an integral base polyhedron as well as an extension of valuated matroid over base polyhedron. Just as a base polyhedron can be transformed through a network, an M-convex function can be induced through a network. This paper gives a constructive proof for the induction of an M-convex ...

1996
Akiyoshi SHIOURA

Quite recently, Murota introduced an M-convex function as a quantitative generalization of the set of integral points in a base polyhedron, as well as an extension of valuated matroid over base polyhedron. Just as a base polyhedron can be transformed through a network, an M-convex function can be induced through a network. This paper gives an algorithmic proof for the induction of an M-convex f...

2018
Hiroshi Hirai Yuni Iwamasa Kazuo Murota Stanislav Zivny

A binary VCSP is a general framework for the minimization problem of a function represented as the sum of unary and binary cost functions. An important line of VCSP research is to investigate what functions can be solved in polynomial time. Cooper–Živný classified the tractability of binary VCSP instances according to the concept of “triangle,” and showed that the only interesting tractable cas...

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