Timeline for Is this lattice in the Tate module of an elliptic curve, coming from complex-analytic uniformization, stable under Frobenius?
Current License: CC BY-SA 4.0
3 events
when toggle format | what | by | license | comment | |
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Sep 22, 2020 at 16:09 | comment | added | Marc | Thanks! This argument is quite famous and I have actually seen this argument before, so I should have known that what I was trying to do had no chance of ever working... | |
Sep 22, 2020 at 15:07 | comment | added | Will Sawin | $J$ certainly preserves the lattice because it extends to an endomorphism over the complex numbers. So indeed $F$ must not. | |
Sep 22, 2020 at 14:52 | history | answered | David E Speyer | CC BY-SA 4.0 |