From: Neil Zanella Newsgroups: sci.math Subject: Re: Schreier Generators Date: Fri, 27 Nov 1998 20:20:41 -0330 Hello, I would like to thank the following people for pointing out some invaluable books containing sections on the Schreier method: Juergen Ecker MCKAY john Randall Dougherty Daniel Ruberman Ron Winther The books are: Sims, Charles C. Computation with finitely presented groups Cambridge [England] ; New York : Cambridge University Press, 1994. ISBN: 0521432138 (hardback) QA 177 S56 1994 Magnus, Wilhelm, 1907- Abraham Karrass, Donald Solitar. Combinatorial group theory : presentations of groups in terms of generators and relations 2d rev. ed. New York : Dover Publications, 1976. QA 171 M32 1976 Butler, G. (Gregory), 1953- Fundamental algorithms for permutation groups Berlin ; New York : Springer-Verlag, 1991. ISBN: 0387549552 (U.S.) ISBN: 3540549552 (Germany) QA 75 L38 no. 559 Johnson, D. L. (Dale Leroy) Presentations of groups / D. L. Johnson. Cambridge [Eng.] ; New York : Cambridge University Press, c1990. ISBN: 0521372038 ISBN: 0521378249 (pbk.) QA 171 J59 1990 Hall, Marshall, 1910- The theory of groups, 2d ed. -- Bronx, N.Y. : Chelsea Pub. Co., c1976. ISBN: 0828402884 QA 171 H27 1976 Computational problems in abstract algebra ; proceedings. Edited by John Leech. With a foreword by J. Howlett. [1st ed.] Oxford, New York, Pergamon Press [1970] Papers based on lectures presented at a conference held at Oxford under the auspices of the Science Research Council, Atlas Computer Laboratory, Aug. 29-Sept. 2, 1967. QA 266 C59 According to the table of contents the newer 1997 edition of the book by D. L. Johnson (which my library doesn't have) also provides some coverage of packages such as GAP and Magma. Best Regards, Neil Zanella nzanella@ganymede.cs.mun.ca