Length Functions, Minimality

  • Hyman Bass
  • Alexander Lubotzky
Part of the Progress in Mathematics book series (PM, volume 176)

Abstract

We review here for reference the properties of hyperbolic length (of tree automorphisms) and the information it carries about tree actions. We fix a tree X,G = Aut(X), and let d(=d x ) denote the edge-path distance on VX.

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Copyright information

© Birkhäuser Boston 2001

Authors and Affiliations

  • Hyman Bass
    • 1
  • Alexander Lubotzky
    • 2
  1. 1.Department of MathematicsUniversity of MichiganAnn ArborUSA
  2. 2.Department of MathematicsHebrew UniversityJerusalemIsrael

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