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Relative compactification of semiabelian N\'eron models, II

Relative compactification of semiabelian N\'eron models, II

Let $R$ be a complete discrete valuation ring, $k(\eta)$ its fraction field, $S=\Spec R$, $(G_{\eta},\cL_{\eta})$ a polarized abelian variety over $k(\eta)$ with $\cL_{\eta}$ symmetric ample cubical and $\cG$ the N\'eron model of $G_{\eta}$ over $S$. Suppose that $\cG$ is semiabelian over $S$. Then there exists a {\it unique} relative compactification …