By Emilio Bujalance, Jose J. Etayo, Grzegorz Gromadzki

This learn monograph offers a self-contained method of the matter of identifying the stipulations below which a compact bordered Klein floor S and a finite workforce G exist, such that G acts as a bunch of automorphisms in S. The situations handled right here take G cyclic, abelian, nilpotent or supersoluble and S hyperelliptic or with attached boundary. No complicated wisdom of staff thought or hyperbolic geometry is needed and 3 introductory chapters offer as a lot history as helpful on non-euclidean crystallographic teams. The graduate reader therefore reveals the following a simple entry to present examine during this zone in addition to numerous new effects got via an identical unified strategy.

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