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Filling functions

Tim Riley

Notes for a workshop on the Geometry of the Word Problem at the Centre de Recerca Matemàtica, Barcelona in July, 2005

Published as Part II of The Geometry of the Word Problem for Finitely Generated Groups, Advanced Courses in Mathematics CRM Barcelona, Birkhäuser-Verlag, 2007
Noel Brady and Hamish Short authored the other two parts.

A preliminary version can be downloaded here (68 pages, 19 figures).