Indices of Lindelöf functions and their derivatives
Indices of Lindelöf functions and their derivatives
1. Introduction.A transcendental entire function f(z) is said to be of bounded index if there exists an integer N, independent of z, such that (u) max fjß5)L| 6 _q?)L holds for all z and/ The least such integer N is called the index of/ (cf.[3], [8]).It is known [11] that …