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math.AG2005
A quantitative sharpening of Moriwaki's arithmetic Bogomolov inequality
Niko Naumann
A. Moriwaki proved the following arithmetic analogue of the Bogomolov unstability theorem. If a torsion-free hermitian coherent sheaf on an arithmetic surface has negative discrimi…
math.AG2005★ 3 cited
On the Structure of the Weil Restriction of Abelian Varieties
Claus Diem, N. Naumann
We give a description of endomorphism rings of Weil restrictions of abelian varieties with respect to finite Galois extensions. The results are applied to study the isogeny decompo…