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60.880  Articles
1 of 6.088 pages  |  10  records  |  more records»
In this paper we introduce a new class of harmonic univalent functions defined by the Dziok-Srivastava operator. Coefficient estimates, extreme points, distortion bounds and convex combination for functions belonging to this class are obtained and also fo... see more

In this paper, we define and investigate a subclass of univalent harmonic functions defined by Salagean integral operator with respect to symmetric points. We obtain coefficient conditions, extreme points, distortion bounds, convex combinations for this f... see more

In the present paper, authors introduce and study a new class of Salagean-type harmonic univalent functions that have fixed finitely many coefficients. We obtain coefficient conditions, extreme points, convolution condition, convex combinations for the ab... see more

For a twice continuously differentiable function, defined on nn-dimensional unit cube, we obtain sharp asymptotics of LpL_p-error for approximation by harmonic splines, and construct the asymptotically optimal sequence of partitions.

The purpose of the present paper is to establish connections between various subclasses of harmonic univalent functions by applying certain convolution operator involving generalized Bessel functions of first kind. To be more precise, we investigate such ... see more

In this paper, we introduce the class of harmonically r-convex functions. We derive some Hermite-Hadamard type inequalities for this class of convex functions.

In this paper, we define and investigate subclass of Bazilevíc type harmonic univalent functions related with a new linear operator. Also, we have obtained the harmonic structures in terms of its coefficient bounds, extreme points, distortion bound, convo... see more

New sharp Jackson type inequalities for ridge and polinomial approximation of some classes of functions harmonic inside unit disk are obtained.

In this paper, we define and investigate subclass of Bazilevíc type harmonic univalent functions related with a new linear operator. Also, we have obtained the harmonic structures in terms of its coefficient bounds, extreme points, distortion bound, convo... see more

1 of 6.088 pages  |  10  records  |  more records»