The **real geometric endomorphism algebra** of an abelian variety $A$ over a field $F$ is the $\R$-algebra $\textrm{End}(A_{\overline{F}})\otimes\R$, where $\textrm{End}(A_{\overline{F}})$ is the geometric endomorphism ring of $A$.

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- Last edited by John Voight on 2020-09-26 16:19:24

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- 2020-09-26 16:19:24 by John Voight (Reviewed)