Baricz, Á., Kumar, P. & Singh, S. (2023) Proceedings of the American Mathematical Society [Matematică, Q2]

Publicat: 28 Martie 2023

Baricz, Á., Kumar, P. & Singh, S. (2023) On starlikeness of regular Coulomb wave functions. Proceedings of the American Mathematical Society, 151, 2325-2338.

DOI: https://doi.org/10.1090/proc/16180

✓ Publisher: American Mathematical Society
✓ Web of Science Categories: Mathematics; Mathematics, Applied
✓ Web of Science Article Influence Score (AIS): 0.717 (2023) / Q2 in all categories.

Abstract: In this paper, we study some geometric properties of a class of analytic functions which is defined from the J-fraction expansion of the ratio zf'(z)/f(z). We find the disk domain which is mapped into a starlike do-main by these functions. Moreover, we study similar results for two different normalized forms of regular Coulomb wave functions and a normalized Bessel function of the first kind by using continued fractions expansions.

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