Lorentzian Kleinian groups

  • Charles Frances

    Université Paris Sud, Orsay, France


In this article we introduce some basic tools for the study of Lorentzian Kleinian groups. These groups are discrete subgroups of the Lorentzian Möbius group , acting properly discontinuously on some nonempty open subset of Einstein's universe, the Lorentzian analogue of the conformal sphere.

Cite this article

Charles Frances, Lorentzian Kleinian groups. Comment. Math. Helv. 80 (2005), no. 4, pp. 883–910

DOI 10.4171/CMH/38