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On p-valent functions of complex order

Dileep L., Latha S.

Demonstratio Mathematica

2012

Vol. 45, nr 3

541-547

The purpose of the present paper is to derive characterization theorem and radius of starlikeness for certain class of p-valent analytic functions. In connection with these results some more properties are discussed

Some criteria on Integral means for certain classes of functions with negative coefficients

Latha S., Raju D. S.

Journal of Mathematics and Applications

2008

Vol. 30

91-102

Let T be the class of functions f with negative coefficients which are analytic and univalent in the open disk U with f(0) = 0 and f'(0) = 1. For the classes T* (A, B) and C (A,B), -1 ≤ A < B ≤ 1 defined as subclasses of T, interesting results for integral means are discussed.

On certain properties of neighborhoods of analytic functions of complex order

Latha S., Poornima N.

Journal of Mathematics and Applications

2008

Vol. 30

83-90

Let A(n) denote the class of functions of the form [wzór] which are analytic in the open unit disk U = {z : |z| < 1}. In this note, the subclasses Sn (β, γ, a, c), Rn (β, γ, a, c; μ ), S(sup α) (sub n) (β, γ a, c) and R (sup α) (sub n) (β, γ, a, c; μ ) of A(n)(are defined and some properties of neighborhoods arę studied for functions of complex order in these classes.