Fekete–Szegő functional and coefficient problems for the inverse of q-convex functions associated with the q-exponential function

In this paper, we investigate a class of q-convex functions that generalizes the classical convex functions by incorporating q-calculus and subordination to the q-exponential function. The primary objective is to determine sharp bounds for the initial coefficients, the Fekete–Szegö functional, coefficient differences, and certain orders of the Toeplitz determinant associated inverse of function in the class mentioned.

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Publication Details

Journal
Acta Universitatis Sapientiae Mathematica
Published
2026-02-23
DOI
https://doi.org/10.1007/s44426-026-00035-1
Primary Topic
Analytic and geometric function theory
Type
article
Field-Weighted Citation Impact
0.00
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article

Fekete–Szegő functional and coefficient problems for the inverse of q-convex functions associated with the q-exponential function

K. Krishna Kumar
Acta Universitatis Sapientiae Mathematica
Analytic and geometric function theory
article

Fekete–Szegő functional and coefficient problems for the inverse of q-convex functions associated with the q-exponential function

K. Krishna Kumar
article en

Abstract

In this paper, we investigate a class of q-convex functions that generalizes the classical convex functions by incorporating q-calculus and subordination to the q-exponential function. The primary objective is to determine sharp bounds for the initial coefficients, the Fekete–Szegö functional, coefficient differences, and certain orders of the Toeplitz determinant associated inverse of function in the class mentioned.

Acta Universitatis Sapientiae MathematicaVol. 18(1)
Gujarat Matikam Kalakari & Rural Technology Institute (IN)
Reduced inequalities
Openalex Percentile: Top 42%
Analytic and geometric function theory
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