Articles with "picard number" as a keyword



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Instanton bundles on the Segre threefold with Picard number three

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Published in 2020 at "Mathematische Nachrichten"

DOI: 10.1002/mana.201900190

Abstract: We study instanton bundles E on P1×P1×P1 . We construct two different monads which are the analog of the monads for instanton bundles on P3 and on the flag threefold F(0, 1, 2). We characterize… read more here.

Keywords: segre threefold; instanton bundles; picard number; bundles segre ... See more keywords
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Bounding cohomology on a smooth projective surface with Picard number 2

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Published in 2020 at "Communications in Algebra"

DOI: 10.1080/00927872.2021.1888962

Abstract: Abstract The following conjecture arose out of discussions between B. Harbourne, J. Roé, C. Cilberto and R. Miranda: for a smooth projective surface X there exists a positive constant cX such that for every prime… read more here.

Keywords: smooth projective; projective surface; picard number;