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An elliptic curve $$E$$ defined over a number field $$K$$ is said to have additive reduction at a prime $$\mathfrak{p}$$ of $$K$$ if the reduction of $$E$$ modulo $$\mathfrak{p}$$ has a cuspidal singularity.

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• Review status: reviewed
• Last edited by John Jones on 2018-06-17 21:35:58
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