Timeline for What is (co)homology, and how does a beginner gain intuition about it?
Current License: CC BY-SA 2.5
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 2 at 13:03 | history | made wiki | Post Made Community Wiki by Stefan Kohl♦ | ||
| Mar 29, 2022 at 3:00 | comment | added | Kapil | One could perhaps also argue that one associates a ring to a set as the ring of functions on the set. This association would lead to cohomology rather than homology. | |
| May 25, 2014 at 2:07 | comment | added | Ilya Grigoriev | @DanielMcLaury Hatcher's "Algebraic Topology" has a section on the "Dold-Thom theorem" as section 4.K. Look there. | |
| Aug 21, 2013 at 20:57 | comment | added | Daniel McLaury | "In fact, one can define the homology groups of a space as the homotopy groups of its infinite symmetric product (= free topological abelian monoid on the (pointed) space)." Is there a good reference for this approach? | |
| Oct 20, 2009 at 5:16 | vote | accept | Qiaochu Yuan | ||
| Oct 15, 2009 at 20:46 | history | answered | Reid Barton | CC BY-SA 2.5 |