Results 41 to 50 of about 12,524 (89)

Linear systems representing threefolds which are scrolls on a rational surface

open access: yes, 1998
Let X be a scroll over a rational surface. We construct a linear system of surfaces in P^3 yielding a birational map from P^3 to X. We apply this construction to the scrolls of Bordiga and Palatini.Comment: 14 pages, Plain-TeX, to be published in ...
Mezzetti, Emilia, Portelli, Dario
core   +1 more source

Categorical Torelli theorems: results and open problems. [PDF]

open access: yesRend Circ Mat Palermo, 2023
Pertusi L, Stellari P.
europepmc   +1 more source

Discriminants and Semi-orthogonal Decompositions. [PDF]

open access: yesCommun Math Phys, 2022
Kite A, Segal E.
europepmc   +1 more source

Threefolds with big and nef anticanonical bundles II

open access: yesOpen Mathematics, 2011
Jahnke Priska   +2 more
doaj   +1 more source

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