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On the 0-dimensional irreducible components of the singular locus of Ag

V. Gonzalez -Aguilera, J. M. Munoz-Porras, Alexis G. Zamora

math.AGarXiv:math/0407087

Abstract

In this short note we give a characterization of extremal principally polarized abelian varieties determining an isolated point in Sing Ag. The case g=5 is treated with detail.

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