The **geometric isomorphism class** of a curve $C$ over a field $K$ is the isomorphism class of the base change of $C$ to the algebraic closure of $K$.

**Authors:**

**Knowl status:**

- Review status: reviewed
- Last edited by John Cremona on 2018-06-18 11:59:33

**Referred to by:**

**History:**(expand/hide all)

- 2018-06-18 11:59:33 by John Cremona (Reviewed)