Radii of starlikeness of some special functions
arXiv:1406.3732 · doi:10.1090/proc/13120
Abstract
Geometric properties of the classical Lommel and Struve functions, both of the first kind, are studied. For each of them, there different normalizations are applied in such a way that the resulting functions are analytic in the unit disc of the complex plane. For each of the six functions we determine the radius of starlikeness precisely.
9 pages