Please use this identifier to cite or link to this item: http://hdl.handle.net/10077/9600
Title: A note on secants of Grassmannians
Authors: Boralevi, Ada
Keywords: Grassmannianssecant varietiesTerracini lemma
Issue Date: 2013
Publisher: EUT Edizioni Università di Trieste
Source: Ada Boralevi, "A note on secants of Grassmannians", in: Rendiconti dell’Istituto di Matematica dell’Università di Trieste. An International Journal of Mathematics, 45 (2013), pp. 67–72.
Series/Report no.: Rendiconti dell’Istituto di Matematica dell’Università di Trieste. An International Journal of Mathematics
45 (2013)
Abstract: 
Let $\GG(k,n)$ be the Grassmannian of $k$-subspaces in an $n$-dimensional complex vector space, $k \ge 3$. Given a projective variety $X$, its $s$-secant variety $\sigma_s(X)$ is defined to be the closure of the union of linear spans of all the $s$-tuples of independent points lying on $X$. We classify all defective $\sigma_s(\GG(k,n))$ for $s \le 12$.}
Type: Article
URI: http://hdl.handle.net/10077/9600
ISSN: 0049-4704
Appears in Collections:Rendiconti dell'Istituto di Matematica dell'Università di Trieste: an International Journal of Mathematics vol.45 (2013)

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