A Note on Spiral-Like Functions
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Authors
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Punjabi University, Patiala ,IN
Ram Singh
DOI:
https://doi.org/10.18311/jims/1969/16743Abstract
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)
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Published
1969-03-01
How to Cite
Singh, R. (1969). A Note on Spiral-Like Functions. The Journal of the Indian Mathematical Society, 33(1), 49–56. https://doi.org/10.18311/jims/1969/16743
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Copyright (c) 1969 Ram Singh
This work is licensed under a Creative Commons Attribution 4.0 International License.
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