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On p-valent functions of complex order

100%

Dileep L. , Latha S.

Demonstratio Mathematica

2012

tom 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

100%

Latha S. , Raju D. S.

Journal of Mathematics and Applications

2008

tom 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

100%

Latha S. , Poornima N.

Journal of Mathematics and Applications

2008

tom 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.