Timeline for Solving the quartic equation $r^4 + 4r^3s - 6r^2s^2 - 4rs^3 + s^4 = 1$
Current License: CC BY-SA 3.0
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| Oct 3, 2013 at 15:45 | comment | added | Kieren MacMillan | I appreciate your answer, but my congruence/divisibility work (see main post) bolsters my intuition that there is a much easier proof in this special case. I'll give it a couple of weeks of poking around, and then come back to accept your answer if I've given up. Thanks again! | |
| Sep 30, 2013 at 22:46 | comment | added | Kieren MacMillan | Thanks! I'll look through the paper, and if it appears you're right, I'll come back and accept this as the answer. | |
| Sep 30, 2013 at 22:25 | history | answered | Peter Mueller | CC BY-SA 3.0 |