Timeline for What are surprising examples of Model Categories?
Current License: CC BY-SA 3.0
16 events
| when toggle format | what | by | license | comment | |
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| May 3, 2023 at 2:50 | answer | added | Tim Campion | timeline score: 6 | |
| Jan 16, 2021 at 17:26 | comment | added | Andres Mejia | posted to the arxiv six days ago: arxiv.org/abs/2101.03591 . Category of reflexive presentations of monoids is a model category with tietze transformations as trivial cofibrations. Its homotopy ctegory is isomorphic to the category of monoids. | |
| Jun 15, 2020 at 7:27 | history | edited | CommunityBot |
Commonmark migration
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| Apr 13, 2017 at 12:58 | history | edited | CommunityBot |
replaced http://mathoverflow.net/ with https://mathoverflow.net/
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| Mar 12, 2012 at 19:07 | answer | added | Chris Schommer-Pries | timeline score: 49 | |
| Mar 12, 2012 at 1:13 | history | edited | Tom Goodwillie | CC BY-SA 3.0 |
corrected misspelling
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| Mar 11, 2012 at 22:57 | answer | added | Andrés Villaveces | timeline score: 9 | |
| May 2, 2010 at 7:06 | answer | added | mmm | timeline score: 7 | |
| Mar 18, 2010 at 14:10 | vote | accept | Greg Muller | ||
| Mar 17, 2010 at 19:12 | comment | added | Chris Schommer-Pries | "Why would someone be skeptical that a poset defines a category?"-- for the same reason that they would be skeptical that a group defines a category. Usually when people first encounter categories they are given examples like the category of sets or vector spaces. These are places that mathematics happens. This at first seem very different than things like groups and posets which are usually the objects of study, not the context. | |
| Mar 17, 2010 at 15:22 | comment | added | Mike Shulman | Why would someone be skeptical that a poset defines a category? | |
| Mar 16, 2010 at 22:29 | comment | added | Kevin H. Lin | Great question. I have also wondered this in the past. | |
| Mar 16, 2010 at 15:40 | answer | added | user2146 | timeline score: 12 | |
| Mar 16, 2010 at 10:11 | answer | added | Henning Arnór Úlfarsson | timeline score: 30 | |
| Mar 16, 2010 at 5:10 | answer | added | Dmitri Pavlov | timeline score: 51 | |
| Mar 16, 2010 at 4:36 | history | asked | Greg Muller | CC BY-SA 2.5 |