Timeline for Five lemma in HoTop* and arbitrary pointed model categories
Current License: CC BY-SA 2.5
3 events
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Jan 20, 2010 at 18:17 | comment | added | Tyler Lawson | I must mention that judicious choice of elements p(t) of pi_n(Z) as an attaching map for a cell allow you to construct maps S^1 -> W which are isomorphisms on pi_1 and on all homology groups, but not homotopy equivalences. | |
Jan 20, 2010 at 16:19 | history | edited | Allen Hatcher | CC BY-SA 2.5 |
added 8 characters in body
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Jan 20, 2010 at 16:11 | history | answered | Allen Hatcher | CC BY-SA 2.5 |