Timeline for Realizing a restriction as direct/inverse image of sheaves
Current License: CC BY-SA 2.5
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 23, 2010 at 7:36 | comment | added | user2529 | I meant polynomials in two variables $x$ and $\bar{x}$. This real algebra has an involution which takes the polynomial $x+\bar{x}^2$ to $\bar{x}+x^2$, for example. | |
| Sep 23, 2010 at 5:56 | answer | added | S. Carnahan♦ | timeline score: 3 | |
| Sep 23, 2010 at 5:36 | comment | added | Laurent Moret-Bailly | I don't understand what ${\mathbb{R}}[x,\bar{x}]$ means. | |
| Sep 23, 2010 at 2:46 | history | asked | user2529 | CC BY-SA 2.5 |