Timeline for Canonical form for a pair of quadratic forms
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 24, 2011 at 15:05 | comment | added | Anatoly Kochubei | I meant the condition cannot in general be dropped (Gelfand in his book gives a counter-example). | |
| Apr 24, 2011 at 12:48 | comment | added | José Figueroa-O'Farrill | The positive-definite condition can be dropped and does get dropped, say, when looking at possible types of Ricci tensors in lorentzian spacetimes. See my answer to this question: mathoverflow.net/questions/1876/… for a recent reference which does this. | |
| Apr 24, 2011 at 10:09 | vote | accept | mikhail skopenkov | ||
| Apr 24, 2011 at 9:59 | history | answered | Anatoly Kochubei | CC BY-SA 3.0 |