Results 31 to 40 of about 951,322 (313)

On a local version of Jack’s lemma

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2019
The purpose of this paper is to provide a result which concerns with the boundary behavior of analytic functions. It may be a local version of the well known Jack’s lemma when we change the function normalization at the origin.
Nunokawa Mamoru, Sokół Janusz
doaj   +1 more source

Fractional identities involving exponential kernel and associated fractional trapezium like inequalities

open access: yesAIMS Mathematics, 2022
The main objective of this paper is to derive some new variants of trapezium like inequalities involving k-fractional integrals with exponential kernel essentially using the definition of preinvex functions.
Miguel Vivas-Cortez   +4 more
doaj   +1 more source

SDP Duals without Duality Gaps for a Class of Convex Minimax Programs

open access: yes, 2013
In this paper we introduce a new dual program, which is representable as a semi-definite linear programming problem, for a primal convex minimax programming model problem and show that there is no duality gap between the primal and the dual whenever the ...
Jeyakumar, V., Vicente-Perez, J.
core   +1 more source

Near Convexity, Metric Convexity, and Convexity

open access: yesRocky Mountain Journal of Mathematics, 2007
It is shown that a subset of a uniformly convex normed space is nearly convex if and only if its closure is convex. Also, a normed space satisfying a mild completeness property is strictly convex if and only if every metrically convex subset is convex.
openaire   +3 more sources

The fuzzy metric space based on fuzzy measure

open access: yesOpen Mathematics, 2016
In this paper, we study the relation between a fuzzy measure and a fuzzy metric which is induced by the fuzzy measure. We also discuss some basic properties of the constructed fuzzy metric space.
Xie Jialiang   +3 more
doaj   +1 more source

Impact of Concave and Convex Solid Surfaces By Liquid-Like Projectiles

open access: yesTikrit Journal of Engineering Sciences, 2007
A theoretical and experimental investigation of the normal impact of a flat-ended liquid slug onto ductile cylindrical solid targets is presented. The liquid slug is simulated by wax which is known to behave as a liquid in high speed impact situations ...
Riyadh N. Kiter, Sabah A. L. Salem
doaj   +1 more source

The Curve Shortening Flow in the Metric-Affine Plane

open access: yesMathematics, 2020
We investigated, for the first time, the curve shortening flow in the metric-affine plane and prove that under simple geometric condition (when the curvature of initial curve dominates the torsion term) it shrinks a closed convex curve to a “round point”
Vladimir Rovenski
doaj   +1 more source

Random Caputo-Fabrizio fractional differential inclusions

open access: yesMathematical Modelling and Control, 2021
This paper deals with some existence and Ulam stability results for Caputo-Fabrizio type fractional differential inclusions with convex and non-convex right hand side.
Saïd Abbas   +2 more
doaj   +1 more source

Inequalities via s−convexity and log −convexity

open access: yesTopological Algebra and its Applications, 2017
Abstract In this paper, we obtain some new inequalities for functions whose second derivatives’ absolute value is s−convex and log −convex. Also, we give some applications for numerical integration.
ÖZDEMİR, MUHAMET EMİN   +2 more
openaire   +5 more sources

Boundary value problems for Caputo-Hadamard fractional differential inclusions with Integral Conditions

open access: yesMoroccan Journal of Pure and Applied Analysis, 2020
For r ∈ (1, 2], the authors establish sufficient conditions for the existence of solutions for a class of boundary value problem for rth order Caputo-Hadamard fractional differential inclusions satisfying nonlinear integral conditions.
Zahed Ahmed   +2 more
doaj   +1 more source

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