Timeline for On the $\mathbb R$-algebra structure on $C^\infty(M)$.
Current License: CC BY-SA 2.5
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 29, 2010 at 8:52 | comment | added | Michael Bächtold | Neat! And indeed you can isolate connected components of $M$ by looking at idempotents in the ring $C^\infty(M)$. | |
| Aug 28, 2010 at 22:20 | vote | accept | Mariano Suárez-Álvarez | ||
| Aug 28, 2010 at 17:40 | history | answered | Robin Chapman | CC BY-SA 2.5 |