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math.AG2023
Duality and polyhedrality of cones for Mori dream spaces
Maria Chiara Brambilla, Olivia Dumitrescu, Elisa Postinghel +1
Our goal is twofold. On one hand we show that the cones of divisors ample in codimension on a Mori dream space are rational polyhedral. On the other hand we study the duality b…
math.AG2023
Waring identifiability for powers of forms via degenerations
Alex Casarotti, Elisa Postinghel
We discuss an approach to the secant non-defectivity of the varieties parametrizing -th powers of forms of degree . It employs a Terracini type argument along with certain de…