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Singh, Ram
- Meromorphic Close-to-Convex Functions
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1 Punjabi University, Patiala, IN
1 Punjabi University, Patiala, IN
Source
The Journal of the Indian Mathematical Society, Vol 33, No 1 (1969), Pagination: 13-20Abstract
A function g(z) = z +a2z2 + . . . , regular in |z| < 1 is said to be close-to-convex in |z| < 1 if there exists a function G(z) = z +b2t2 + . . . regular and starlike in |z| < 1 and such that
Re {z g'(z)/G(z)}>0 (|z|<1). (1)
- A Note on Spiral-Like Functions
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1 Punjabi University, Patiala, IN
1 Punjabi University, Patiala, IN
Source
The Journal of the Indian Mathematical Society, Vol 33, No 1 (1969), Pagination: 49-56Abstract
A function/regular in |z| < 1 and normalised so that f(0) = 0, f'(0) = 1 is said to be spiral-like in |z| < 1 if there exists a real number α, | α | < π/2, such that
Re {eiα f'(z)/f(z)}>0 (|z|<1). (1)
- On a Class of Star Like Functions
Abstract Views :158 |
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Authors
Affiliations
1 Punjabi University, Patiala, IN
1 Punjabi University, Patiala, IN