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Hypermap operations of finite order

By Gareth Jones and Daniel Pinto

Abstract

Duality and chirality are examples of operations of order 2 on hypermaps. James showed that the groups of all operations on hypermaps and on oriented hypermaps can be identified with the outer automorphism groups and of the groups ?=C2*C2*C2 and ?+=F2. We will consider the elements of finite order in these two groups, and the operations they induce.<br/><br/

OAI identifier: oai:eprints.soton.ac.uk:156493
Provided by: e-Prints Soton

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