Timeline for twists of elliptic curves over finite fields
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Nov 14, 2016 at 0:18 | comment | added | stupid_question_bot | Do you have a reference for the formula you use for $\# E(\mathbb{F}_p)$? Does it also hold for non-prime finite fields $\mathbb{F}_q$? | |
| Oct 27, 2016 at 13:13 | vote | accept | stupid_question_bot | ||
| Oct 27, 2016 at 12:38 | history | edited | David Lampert | CC BY-SA 3.0 |
deleted previous edit
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| Oct 27, 2016 at 12:13 | history | edited | David Lampert | CC BY-SA 3.0 |
added 540 characters in body
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| Oct 27, 2016 at 2:06 | comment | added | Noam D. Elkies | Likewise for $p=2$, when $E$ is $y^2+y=f(x)$ and the quadratic twist is $y^2+y=f(x)+a$ for some $a$ of trace $1$, and again each $x$ lies under a total of $2$ points of $E$ and its twist. | |
| Oct 27, 2016 at 0:46 | history | answered | David Lampert | CC BY-SA 3.0 |