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Local Behaviour of the Trajectories and the φ-Metric

  • Kurt Strebel
Part of the Ergebnisse der Mathematik und ihrer Grenzgebiete book series (MATHE3, volume 5)

Abstract

This chapter is devoted to the investigation of the trajectory structure and the φ-metric near the critical points. The treatment in Schaeffer and Spencer [1] and Jenkins [3] is based on the theory of differential equations. Here, special conformal parameters will be introduced in terms of which the representation of the quadratic differential becomes particularly simple. This is achieved by computing the integral Ф and expressing it in simple terms. Differentiation and squaring then gives the representation of φ with respect to the new parameters. The procedure is particularly simple if there are no logarithmic terms, which is always the case if n is positive, or negative and odd (Strebel [7], Pfluger [1], Jensen [1]).

Keywords

Quadratic Differential Local Behaviour Logarithmic Term Lower Half Plane Order Pole 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1984

Authors and Affiliations

  • Kurt Strebel
    • 1
  1. 1.Mathematisches InstitutUniversität ZürichZürichSwitzerland

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