Timeline for In which situations can one see that topological spaces are ill-behaved from the homotopical viewpoint?
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| Mar 8, 2012 at 10:36 | comment | added | Jonathan Chiche | Thanks for this answer! (And sorry for my tardiness: I was abroad for a few weeks.) | |
| Feb 26, 2012 at 14:18 | comment | added | Ronnie Brown | This comment is separate from the point made by Omar about associativity of the smash product, which is reasonably solved by working in a convenient category of spaces, i.e. one which is cartesian closed and so the product of identification of maps is an identification map, as Todd remarks. I suggested this notion in my paper ``Ten topologies for $X\times Y$'', Quart. J.Math. (2) 14 (1963), 303-319, and give an (improved) account also in Section 5.9 of my book "Topology and groupoids" (2006). | |
| Feb 7, 2012 at 10:30 | history | edited | Ronnie Brown | CC BY-SA 3.0 |
punctuation and spelling: two extra comments
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| Feb 6, 2012 at 22:45 | history | answered | Ronnie Brown | CC BY-SA 3.0 |