Minimal Weierstrass equation
= Minimal Weierstrass equation
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Minimality here concerns the discriminant valuation of an integral <Weierstrass equation of an elliptic curve> over a discretely valued field.
Over a discretely valued field, a minimal Weierstrass equation has integral coefficients and has least possible discriminant valuation among integral Weierstrass equations related by admissible changes of variables.