Sharp bounds on Hankel determinants of bounded turning functions involving the hyperbolic tangent function
Zhi-Gang Wang, H. M. Srivastava, Muhammad Arif, Zhihong Liu, Kalim Ullah
Abstract
In this paper, we determine the sharp upper bounds of Hankel determinants for logarithmic and inverse functions of bounded turning functions associated with the hyperbolic tangent function.
Topics & Concepts
MathematicsBounded functionTangentHyperbolic functionFunction (biology)Mathematical analysisPure mathematicsGeometryEvolutionary biologyBiologyNumerical methods in inverse problemsMathematical functions and polynomialsDifferential Equations and Boundary Problems