Timeline for Methods to decide whether two positive definite ternary quadratic forms are in the same spinor genus?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 16, 2017 at 3:51 | comment | added | Will Jagy | Got it, posted zakuski.math.utsa.edu/~kap/Benham_Hsia_1983.pdf Thanks. | |
| Apr 16, 2017 at 3:00 | comment | added | WKC | In that case, check out the paper ``Spinor equivalence of quadratic forms" by J.W. Benham and J.S. Hsia in JNT, 1983. | |
| Apr 16, 2017 at 2:16 | comment | added | Will Jagy | Note that magma still makes errors when the power of 2 dividing the discriminant is too high, for example displaying the other form in the genus of $x^2 + 8 y^2 + 64 z^2.$ It appeared that they had fixed that long ago, but evidently some faults have returned. | |
| Apr 16, 2017 at 2:09 | history | answered | WKC | CC BY-SA 3.0 |