Search The Directory The Web for Home > Science > Math > Algebra > Group_Theory New! Submit a site   whatUseek Directory Site Listings:   Permutation Group Problems - Compiled by Peter Cameron.   Permutation Groups Resources - Web-based resources for permutation groups and related areas in group theory and combinatorics.   Semigroup Theory - at Southampton. Directory of home pages, conferences.   Some Problems in Varieties of Groups and in Related Areas. - Problems on varieties of groups, on embeddings of groups and on wreath products in the web site of Vahagn H. Mikaelian.   Symmetric Presentations - Some presentations of groups (symmetric or otherwise).   Symmetry - the main point group symmetries of interest to defect physics by operation (reflection, rotations etc) and classification (trigonal, cubic etc). Most point groups also have the associated character table on-line.   Symmetry Groups in Maple V - A worksheet by W.D. Joyner.   The Crystallographic Groups Catalog - A catalog of crystallographic groups of dimensions 2, 3, and 4 which covers most of the data contained in the book ``Crystallographic groups of four-dimensional space''.   The North British Quantum Groups Collective - The North British Quantum Groups Collective meets regularly to discuss research in quantum groups, with the aim of disseminating recent results and exchanging ideas and information on the subject.   Topological Methods in Group Theory - Table of contents only; draft chapters can be downloaded by arrangement.   What is Moonshine? by Richard Borcherds - A multimedia web seminar: slides and audio.   Workshop on Rings - A seminar involving the Universities of Bristol, Leeds, Sheffield and Warwick.     [ 1 2 ] Help build the largest human-edited directory on the web.   Submit a Site - Open Directory Project - Become an Editor

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