Timothy O Opoola | University of Ilorin (original) (raw)

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Papers by Timothy O Opoola

Research paper thumbnail of On a new subclass of univalent functions

Research paper thumbnail of On a subordination result for analytic functions defined by convolution

Annales UMCS, Mathematica, 2014

In this paper we discuss some subordination results for a subclass of functions analytic in the u... more In this paper we discuss some subordination results for a subclass of functions analytic in the unit disk U

Research paper thumbnail of On the radius of starlikeness and convexity of certain subclass of analytic functions

Far East Journal of Mathematical Sciences

ABSTRACT Let A(n) denote the subclass of A consisting of all functions of the form f(z)=z-∑ k=n+1... more ABSTRACT Let A(n) denote the subclass of A consisting of all functions of the form f(z)=z-∑ k=n+1 ∞ a k z k , where a k ≥0, n∈N. In this paper, we investigate the radius of starlikeness and convexity of the function f(z)=(z-w)-∑ k=n+1 ∞ e i(k-1)θ a k (z-w) k .

Research paper thumbnail of On a new subclass of univalent functions

Research paper thumbnail of On a subordination result for analytic functions defined by convolution

Annales UMCS, Mathematica, 2014

In this paper we discuss some subordination results for a subclass of functions analytic in the u... more In this paper we discuss some subordination results for a subclass of functions analytic in the unit disk U

Research paper thumbnail of On the radius of starlikeness and convexity of certain subclass of analytic functions

Far East Journal of Mathematical Sciences

ABSTRACT Let A(n) denote the subclass of A consisting of all functions of the form f(z)=z-∑ k=n+1... more ABSTRACT Let A(n) denote the subclass of A consisting of all functions of the form f(z)=z-∑ k=n+1 ∞ a k z k , where a k ≥0, n∈N. In this paper, we investigate the radius of starlikeness and convexity of the function f(z)=(z-w)-∑ k=n+1 ∞ e i(k-1)θ a k (z-w) k .

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