Timeline for Is every homology theory given by a spectrum?
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 29, 2016 at 12:13 | comment | added | Bruno Stonek | Ok, I asked it here: mathoverflow.net/questions/229612/… | |
| Jan 29, 2016 at 11:30 | comment | added | Mark Grant | I don't know, this might be a good MO question! An Exercise in Hatcher's 4.F is to show that the wedge axiom implies the direct limit axiom on the category of countable CW complexes, so to find such a thing we'd have to go to uncountable CW complexes. | |
| Jan 29, 2016 at 11:11 | comment | added | Bruno Stonek | So what is an example of a homology theory that satisfies Milnor's additivity axiom but not the direct limit axiom? | |
| May 5, 2011 at 15:19 | vote | accept | yeshengkui | ||
| May 5, 2011 at 15:20 | |||||
| May 5, 2011 at 7:03 | history | answered | Mark Grant | CC BY-SA 3.0 |