Timeline for What determines a model structure?
Current License: CC BY-SA 2.5
8 events
| when toggle format | what | by | license | comment | |
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| May 19, 2012 at 9:04 | comment | added | Tim Campion | For what it's worth, the consensus seems to be: 1. easily seen to be true 2. false for trivial reasons 3. nontrivially true 4. easily seen to be false | |
| Jun 27, 2010 at 21:27 | vote | accept | roger123 | ||
| Jun 27, 2010 at 18:34 | comment | added | Tom Goodwillie | Mike Shulman answered 2: it's false. The same category can have two distinct model structures such that every map is a weak equivalence and every object is cofibrant. Simple example: the category of sets, with (cofibrations, fibrations) being (1) (all maps, bijections), or (2) (injections, surjections). | |
| Jun 27, 2010 at 18:17 | history | edited | roger123 | CC BY-SA 2.5 |
added 105 characters in body
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| Jun 27, 2010 at 3:24 | answer | added | Mike Shulman | timeline score: 17 | |
| Jun 27, 2010 at 0:32 | answer | added | Tom Goodwillie | timeline score: 36 | |
| Jun 26, 2010 at 21:04 | answer | added | Mark Hovey | timeline score: 9 | |
| Jun 26, 2010 at 19:14 | history | asked | roger123 | CC BY-SA 2.5 |