Mathematics – Algebraic Geometry
Scientific paper
2011-10-28
Mathematics
Algebraic Geometry
15 pages
Scientific paper
For any irreducible non-degenerate variety $X\subset \mathbb{P}^r$, we relate
the dimension of the $s$-th secant varieties of the Segre embedding of
$\mathbb{P}^k\times X$ to the dimension of the $(k,s)$-Grassmann secant variety
$GS_X(k,s)$ of $X$. We also give a criterion for the $s$-identifiability of
$X$.
Ballico Edoardo
Bernardi Alessandra
Catalisano Maria Virginia
Chiantini Luca
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