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$(m+2)$-secants and the minimal cohomological class

Author:
José Alejandro Aburto
Keyword:
Mathematics, Algebraic Geometry, Algebraic Geometry (math.AG)
journal:
--
date:
2023-05-03 16:00:00
Abstract
We prove that, under certain conditions, the existence of a curve of $(m+2)$-secants to the Kummer variety of an indecomposable principally polarized abelian variety $X$, represents $m$-times the minimal cohomological class in $X$. In the case of $m=2$, we find an involution of such curve. We end by showing, under certaing geometric conditions, that only \(m\) different secants of $(m+2)$-secants to the Kummer variety implies the existence of a curve of $(m+2)$-secants to the Kummer variety.
PDF: $(m+2)$-secants and the minimal cohomological class.pdf
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