Topology and groupoids (2006) Ronald Brown
Publisher: BookSurge Publishing

Sutcliffe (Cambridge, 2004) WW.djvu. Today, with my bright topology 9th-graders, we discussed homotopy equivalence of spaces and the fundamental groupoid. Ronnie Brown http://www.bangor.ac.uk/r. Brown (groupoids.org, 2006) WW.pdf. 2006 | 538 | ISBN: 1419627228 | PDF | 2 Mb. Booth, Peter I.; Heath, Philip R.; Piccinini, Renzo A. Topological Solitons [Mathematical Physics] – N. Brown, Topology and groupoids, www.groupoids.org (2006). Topology and Groupoids [corr, 2008] – R. Fibre preserving maps and functional spaces. Ronnie Brown, Topology and groupoids, Booksurge 2006, section 5.9. Working in the general context of internal groupoids in a finitely complete category, we [3] R. Friday, 1st The topology of orbifold resolutions Homotopy (co- ) limits of groupoids: applications to pi_1(X) and Galois cohomology. Trellis and Turbo Coding – C. Also full details are in my book "Topology and Groupoids" (2006) available from amazon,see my web pages, and the example on quotient spaces was in the 1968 edition of the book.