Vol. 38, No. 1, 1971

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A representation for the logarithmic derivative of a meromorphic function

Morris Marden

Vol. 38 (1971), No. 1, 145–149
Abstract

A new representation is developed for the logarithmic derivative of a meromorphic function f in terms of its zeros and poles, using as parameters some of the critical points of f. Applications are made to locating all but a finite number of critical points of f.

Mathematical Subject Classification
Primary: 30A68
Milestones
Received: 23 October 1970
Published: 1 July 1971
Authors
Morris Marden