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math.AG2019
Existence of semistable sheaves on Hirzebruch surfaces
Izzet Coskun, Jack Huizenga
Let be a Hirzebruch surface, and let be any ample divisor. In this paper, we algorithmically determine when the moduli space of semistable sheaves is n…
math.AG2019
Rationality of Seshadri constants on general blow ups of
Łucja Farnik, Krishna Hanumanthu, Jack Huizenga +2
Let be a projective surface and let be an ample line bundle on . The global Seshadri constant of is defined as the infimum of Seshadri constants $\v…