Combinatorial Group Theory: A Topological Approach (London - download pdf or read online

By Daniel E. Cohen

ISBN-10: 0521341337

ISBN-13: 9780521341332

ISBN-10: 0521349362

ISBN-13: 9780521349369

during this e-book, built from classes taught on the college of London, the writer goals to teach the price of utilizing topological equipment in combinatorial team conception. The topological fabric is given when it comes to the elemental groupoid, giving effects and proofs which are either enhanced and easier than the normal ones. a number of chapters care for masking areas and complexes, a huge procedure, that's then utilized to yield the most important Schreier and Kurosh subgroup theorems. the writer offers a whole account of Bass-Serre concept and discusses the note challenge, specifically, its unsolvability and the Higman Embedding Theorem. incorporated for completeness are the appropriate result of computability theory.

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Combinatorial Group Theory: A Topological Approach (London Mathematical Society Student Texts) by Daniel E. Cohen

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