Titlebook: Algebra VII; Combinatorial Group A. N. Parshin,I. R. Shafarevich Book 1993 Springer-Verlag Berlin Heidelberg 1993 algebraic topology.group

禁令

Free Groups and Free Productsimage of a free group and this indicates the central role that free groups play in combinatorial group theory. We have already encountered free groups in Chapter 1 as fundamental groups of graphs and seen how this kind of representation of a free group enables one to obtain results about subgroups.

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0938-0396 ur of these topics without becoming bogged down in detail. Both articles give comprehensive bibliographies, so that it is possible to use this book as the starting point for a more detailed study of a particular topic of interest. ..." Bulletin of the London Mathematical Society, 1996978-3-540-63704-2978-3-642-58013-0Series ISSN 0938-0396

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