Timeline for Cubic forms and Hasse Principle
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 2, 2013 at 14:57 | answer | added | stankewicz | timeline score: 5 | |
| Oct 2, 2013 at 14:26 | comment | added | stankewicz | Ah. Yes I should have thought of the Jacobian. 182b3 should work just fine. | |
| Oct 2, 2013 at 14:21 | comment | added | Felipe Voloch | The jacobian of a diagonal cubic has $j$-invariant zero. Just find an elliptic curve with $j\ne0$ and with $Sha[3] \ne 0$ in Cremona's table. | |
| Oct 2, 2013 at 14:13 | comment | added | Martin Bright | How about $3(x+y)^3 + 4y^3 + 5z^3$? | |
| Oct 2, 2013 at 14:01 | history | asked | stankewicz | CC BY-SA 3.0 |