Results 91 to 100 of about 360 (180)

On H3 (1) Hankel determinant for certain subclass of analytic functions

Extracta Mathematicae, 2020
The objective of this paper is to obtain an upper bound to Hankel determinant of third order for any function f, when it belongs to certain subclass of analytic functions, defined on the open unit disc in the complex plane.
D. Vamshee Krishna, D. Shalini
doaj  

On a Subclass of Analytic Functions Related to a Hyperbola

International Journal of Mathematics and Mathematical Sciences, 2014
The object of the present investigation is to solve Fekete-Szegö problem and determine the sharp upper bound to the second Hankel determinant for a new class ℛ̃(a,c,ρ) of analytic functions in the unit disk.
Jagannath Patel, Ashok Kumar Sahoo
doaj   +1 more source

Coefficient inequalities for certain subclass of starlike function with respect to symmetric points related with q-exponential function

NUML International Journal of Engineering and Computing
The purpose of the present work is to define a class of star-like function with respect to symmetrical points in the domain of exponential functions related to the q-exponential functions.
Zameer Abbas
doaj   +1 more source

Continued fraction expansions of Herglotz-Nevanlinna functions and generalized indefinite strings of Stieltjes type. [PDF]

Bull Lond Math Soc, 2022
Eckhardt J.
europepmc   +1 more source

Some nice Hankel determinants

, 2011
45 ...
openaire   +2 more sources

A theorem on shifted Hankel determinants

, 2019
We prove a conjecture of Johann Cigler on shifted Hankel determinants.
openaire   +2 more sources

Second Hankel determinant of the logarithmic coefficients for a subclass of univalent functions

Miskolc Mathematical Notes
In the present paper, we give the bounds for the second Hankel determinant of the logarithmic coefficients of a certain subclass of normalized univalent functions, which we have introduced here.
Hari Mohan Srivastava, Sevtap Sümer Eker, Bilal Şeker, Bilal Çekiç   +3 more
doaj   +1 more source

Fast Approximations of the Jeffreys Divergence between Univariate Gaussian Mixtures via Mixture Conversions to Exponential-Polynomial Distributions. [PDF]

Entropy (Basel), 2021
Nielsen F.
europepmc   +1 more source

Hankel determinants of Dirichlet series

, 2009
11 pages, 1 ...
openaire   +2 more sources

An upper bound to the second Hankel determinant for pre-starlike functions of order α

Le Matematiche, 2015
The objective of this paper is to obtain an upper bound to the second Hankel determinant  for the function f and its inverse belonging to the class of pre-starlike functions of order alpha (0 ≤ alpha ≤ 1), using Toeplitz determinants.
Deekonda Vamshee Krishna, T. RamReddy
doaj