By Ross Geoghegan
This e-book is set the interaction among algebraic topology and the speculation of endless discrete teams. it's a highly very important contribution to the sector of topological and geometric team conception, and is certain to develop into a typical reference within the box. to maintain the size average and the point of interest transparent, the writer assumes the reader is aware or can simply research the required algebra, yet desires to see the topology performed intimately. The critical topic of the ebook is the idea of ends. right here the writer adopts a brand new algebraic process that's geometric in spirit.
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