Timeline for A "dual" universal coefficient theorem
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 3, 2012 at 4:43 | comment | added | Xiao-Gang Wen | Thanks. That helps a lot. We should really include this result in Wiki. | |
| Nov 3, 2012 at 2:36 | comment | added | Greg Friedman | R is a principal ideal domain and G is an R-module. You also need $H_\ast(X;R)$ to be of finite type, meaning each $H_i(X;R)$ is a finitely generated $R$-module. | |
| Nov 2, 2012 at 3:17 | vote | accept | Xiao-Gang Wen | ||
| Nov 2, 2012 at 2:59 | comment | added | Xiao-Gang Wen | @Ryan Budney: Thanks. But it is a little confusing. Is the above $R$ the field of real numbers, or $R=Z$ the set of integers? | |
| Nov 2, 2012 at 1:51 | history | answered | Ryan Budney | CC BY-SA 3.0 |