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Results tagged with algebraic-curves
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user 12644
for questions on one dimensional algebraic varieties over any field, including questions of moduli, and questions about specific curves.
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What do we know about the ramification of the modularity map $X_0(N)\to E$?
The ramification at cusps of $X_0(N)$ is very well understood. For example, if the newform attached to $E$ is twist-minimal Brunault [1] showed that $f$ is unramified at the cusps. This happens for ex …
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