Results 51 to 60 of about 585 (94)

Monotone Valuations on the Space of Convex Functions

open access: yesAnalysis and Geometry in Metric Spaces, 2015
We consider the space Cn of convex functions u defined in Rn with values in R ∪ {∞}, which are lower semi-continuous and such that lim|x| } ∞ u(x) = ∞.
Cavallina L., Colesanti A.
doaj   +1 more source

Convex ordering properties and applications

open access: yes, 2015
A relevant application of the stochastic convex order is the well-known weighted Hermite-Hadamard inequality, where the weight is provided by a given probability distribution.
A. Florea, Eugen Păltănea, D. Bălă
semanticscholar   +1 more source

Extension of Fejér's inequality to the class of sub-biharmonic functions

open access: yesOpen Mathematics
Fejér’s integral inequality is a weighted version of the Hermite-Hadamard inequality that holds for the class of convex functions. To derive his inequality, Fejér [Über die Fourierreihen, II, Math. Naturwiss, Anz. Ungar. Akad. Wiss.
Jleli Mohamed
doaj   +1 more source

Nonconvex Lipschitz function in plane which is locally convex outside a discontinuum [PDF]

open access: yes, 2013
We construct a Lipschitz function on $\er^{2}$ which is locally convex on the complement of some totally disconnected compact set but not convex. Existence of such function disproves a theorem that appeared in a paper by L.
Pokorny, Dusan
core   +1 more source

Characterizations of higher-order convexity properties with respect to Chebyshev systems

open access: yes, 2015
In this paper various notions of convexity of real functions with respect to Chebyshev systems defined over arbitrary subsets of the real line are introduced.
Páles, Zsolt   +1 more
core   +1 more source

Jessen's functional and majorization

open access: yes, 2015
In this note, we prove a Sherman type inequality for the Jessen’s functional by using a majorization method. In consequence, we obtain a Hardy-Littlewood-Pólya-Karamata type inequality, which says that some n -sums generated by the Jessen’s functional ...
M. Niezgoda
semanticscholar   +1 more source

Some exact Bernstein-Szegö inequalities on the standard triangle

open access: yes, 2017
An actual problem in the theory of approximations is to extend the univariate inequality of Bernstein to the multivariate setting. This question is satisfactorily settled in the case of a centrally symmetric convex body.
L. Milev, N. Naidenov
semanticscholar   +1 more source

Optimal transport through a toll station

open access: yesEuropean Journal of Applied Mathematics
We address the problem of optimal transport with a quadratic cost functional and a constraint on the flux through a constriction along the path. The constriction, conceptually represented by a toll station, limits the flow rate across.
Arthur Stephanovitch   +2 more
doaj   +1 more source

Schur convexity properties for the elliptic Neuman mean with applications

open access: yes, 2015
Strictly Schur convexity, Schur multiplicative convexity and Schur harmonic convexity are investigated for the elliptic Neuman mean. As applications, several sharp bounds for the arithmetic, geometric and harmonic means in terms of the elliptic Neuman ...
Ying-Qing Song, Miao-Kun Wang, Y. Chu
semanticscholar   +1 more source

Strongly λ-convex functions and some characterization of inner product spaces

open access: yes, 2015
In this paper we show that each strongly λ -convex function f : D → R with modulus c > 0 , where D is an nonempty convex subset of inner product space X with norm ‖·‖ , must by of the form g+ ‖·‖ , where g is an λ -convex function.
Mirosław Adamek
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy