oxidize
发表于 2025-3-25 03:48:48
Morphisms from a Surface to a Curve. Elliptic and Quasielliptic Fibrations,Let .: . → . be .*: k(.) → k(.) . k(.) . k(.). Then . V ⊂ Y ..(.) ..
jungle
发表于 2025-3-25 10:20:36
Canonical Dimension of an Elliptic or Quasielliptic Fibration,Let .: . → . be an elliptic or quasielliptic fibration. Theorem 7.15 expresses the dualizing sheaf ω. of . in the form
外貌
发表于 2025-3-25 13:04:03
Ruled Surfaces. The Noether-Tsen Criterion,A surface . is a . if there exists a nonsingular projective curve . such that . is birationally isomorphic to P. × ..
Mediocre
发表于 2025-3-25 16:41:11
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padding
发表于 2025-3-25 20:21:27
Zariski Decomposition and Applications,In this chapter we present Zariski’s theory of finite generation of the graded algebra . (., .) associated to a divisor . on a surface ., cf. and some more recent developments related to this theory.
灌溉
发表于 2025-3-26 02:11:58
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浪费时间
发表于 2025-3-26 08:06:05
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BOAST
发表于 2025-3-26 10:06:46
978-1-4419-3149-8Springer-Verlag New York 2001
袋鼠
发表于 2025-3-26 16:26:52
Murray Gerstenhaber,Samuel D. Schack let .: . → . be its canonical projection. Let . ∈ . be a closed point on the fiber .. = ..(.), . = . (.), and let .be the quadratic transformation of . with center .. Then the proper transform F′ of .. on .has ..(F′) = 0 and (F′.) = −1, because ..(Fb) = 0 and (F..) = 0. In other words, F′ is an exc
GUILE
发表于 2025-3-26 18:25:48
Minimal Models of Ruled Surfaces, let .: . → . be its canonical projection. Let . ∈ . be a closed point on the fiber .. = ..(.), . = . (.), and let .be the quadratic transformation of . with center .. Then the proper transform F′ of .. on .has ..(F′) = 0 and (F′.) = −1, because ..(Fb) = 0 and (F..) = 0. In other words, F′ is an exc