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math.AG2022
Coxeter theory for curves on blowups of
Olivia Dumitrescu, Rick Miranda
We investigate the study of smooth irreducible rational curves in , a general blowup of at general points, whose normal bundle splits as a direct sum of l…
math.AG2022
Irrational nef rays at the boundary of the Mori cone for very general blowups of the plane
Ciro Ciliberto, Rick Miranda, Joaquim Roé
In this paper we develop a technique for discovering (non-effective) irrational rays at the boundary of the Mori cone for linear systems on a general blowup of the plane, and give…