Timeline for Writing $1-xyzw$ as a sum of squares
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 29, 2022 at 14:12 | history | edited | Denis Serre | CC BY-SA 4.0 |
deleted 1 character in body
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| Apr 29, 2022 at 8:25 | history | edited | Denis Serre | CC BY-SA 4.0 |
added 47 characters in body
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| Apr 29, 2022 at 8:23 | comment | added | Denis Serre | @NeilStrickland. Yes, that was actually my calculation, but when I typed, I forgot to symmetrize. Let me fix my answer. | |
| Apr 29, 2022 at 8:21 | comment | added | Neil Strickland | I think that this is not quite right. There are six (not three) possible terms that are permutations of $(x-y)^2(w+z)^2$, and each should appear with coefficient $2$ (not $4$). | |
| Apr 29, 2022 at 7:41 | history | answered | Denis Serre | CC BY-SA 4.0 |