Results 41 to 50 of about 365,170 (335)

The Second Hankel Determinant Problem for a Class of Bi-Close-to-Convex Functions

open access: yesMathematics, 2019
The purpose of the present work is to determine a bound for the functional H 2 ( 2 ) = a 2 a 4 − a 3 2 for functions belonging to the class C Σ of bi-close-to-convex functions.
Nak Eun Cho   +3 more
doaj   +1 more source

Properties of analytic solutions of three similar differential equations of the second order

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2021
An analytic univalent in ${\mathbb D}=\{z:\;|z|
M.M. Sheremeta, Yu.S. Trukhan
doaj   +1 more source

Data-Driven Chance Constrained Optimization under Wasserstein Ambiguity Sets [PDF]

open access: yes, 2018
We present a data-driven approach for distributionally robust chance constrained optimization problems (DRCCPs). We consider the case where the decision maker has access to a finite number of samples or realizations of the uncertainty.
Cherukuri, Ashish   +2 more
core   +2 more sources

Injectivity of sections of convex harmonic mappings and convolution theorems [PDF]

open access: yes, 2015
In the article the authors consider the class ${\mathcal H}_0$ of sense-preserving harmonic functions $f=h+\overline{g}$ defined in the unit disk $|z|
A. W. Goodman   +36 more
core   +2 more sources

Convexity, Starlikeness, and Prestarlikeness of Wright Functions

open access: yesMathematics, 2022
This article deals with the normalized Wright function and its geometric properties. In particular, we find sufficiency criteria for close-to-convexity with respect to starlike function ς1−ς2.
Dong Liu   +4 more
doaj   +1 more source

Harmonic mappings for which co-analytic part is a close-to-convex function of order b

open access: yes, 2015
In the present paper we investigate a class of harmonic mappings for which the second dilatation is a close-to-convex function of complex order b, b∈C/{0}$b\in\mathbb{C} / \{ 0 \}$ (Lashin in Indian J. Pure Appl. Math. 34(7):1101-1108, 2003).
Y. Polatoglu   +2 more
semanticscholar   +1 more source

On Gromov-Hausdorff stability in a boundary rigidity problem [PDF]

open access: yes, 2011
Let $M$ be a compact Riemannian manifold with boundary. We show that $M$ is Gromov-Hausdorff close to a convex Euclidean region $D$ of the same dimension if the boundary distance function of $M$ is $C^1$-close to that of $D$. More generally, we prove the
Alexander   +9 more
core   +1 more source

Further Geometric Properties of the Barnes–Mittag-Leffler Function

open access: yesAxioms, 2023
In this paper, we find sufficient conditions to be imposed on the parameters of a class of functions related to the Barnes–Mittag-Leffler function that allow us to conclude that it possesses certain geometric properties (such as starlikeness, uniformly ...
Abdulaziz Alenazi, Khaled Mehrez
doaj   +1 more source

Optimal and Suboptimal Finger Selection Algorithms for MMSE Rake Receivers in Impulse Radio Ultra-Wideband Systems [PDF]

open access: yes, 2005
Convex relaxations of the optimal finger selection algorithm are proposed for a minimum mean square error (MMSE) Rake receiver in an impulse radio ultra-wideband system.
Chiang, Mung   +3 more
core   +3 more sources

Length problems for Bazilevič functions

open access: yesDemonstratio Mathematica, 2019
Let C(r) denote the curve which is image of the circle |z| = r < 1 under the mapping f . Let L(r) be the length of C(r) and A(r) the area enclosed by the curve C(r).
Nunokawa Mamoru   +2 more
doaj   +1 more source

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