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math.AG2021
Non-existence of negative curves
Javier González-Anaya, José Luis González, Kalle Karu
Let be a projective toric surface of Picard number one blown up at a general point. We bring an infinite family of examples of such whose Kleiman-Mori cone of curves is not…
math.AG2021★ 1 cited
The geography of negative curves
Javier González-Anaya, José Luis González, Kalle Karu
We study the Mori Dream Space (MDS) property for blowups of weighted projective planes at a general point and, more generally, blowups of toric surfaces defined by a rational plane…