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math.AG2018
Projective aspects of the Geometry of Lagrangian Grassmannians and Spinor varieties
Ageu Barbosa Freire, Alex Massarenti, Rick Rischter
We study the projective behavior, mainly with respect to osculating spaces and secant varieties, of Lagrangian Grassmannians and Spinor varieties. We prove that these varieties hav…
math.AG2018
On Mori chamber and stable base locus decompositions
Antonio Laface, Alex Massarenti, Rick Rischter
The effective cone of a Mori dream space admits two wall-and-chamber decompositions called Mori chamber and stable base locus decompositions. In general the former is a non trivial…