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Authors
Affiliations
1 Department of Mathematics, College of Charleston, Charleston, Sc 29424, US
Source
Journal of the Ramanujan Mathematical Society, Vol 7, No 2 (1992), Pagination: 103-110
Abstract
For analytic and normalized univalent functions / in the unit disk, a lower bound on Re f '(z) is found. The result is sharp for small values of r.
Keywords
Analytic, Univalent 1980 Mathematics Subject Classification (1985 Revision), Primary 30C45:Secondary 30C50.