|
This article is cited in 12 scientific papers (total in 12 papers)
On Fibrations into del Pezzo Surfaces
M. M. Grinenko Steklov Mathematical Institute, Russian Academy of Sciences
Abstract:
The problem of birational rigidity for three-dimensional algebraic varieties fibered over rational curves into del Pezzo surfaces of degree 1 is discussed. A criterion for the rigidity of such fibrations in the Mori category is suggested and the inverse implication is proved (Theorem 3.3). Surgeries on fibers in fibrations of this type, which turn out to be closely related to the rigidity problem, are considered. In particular, an important result on the uniqueness of a smooth model in a class of maps over a base is stated (Corollary 4.5).
Received: 08.06.2000
Citation:
M. M. Grinenko, “On Fibrations into del Pezzo Surfaces”, Mat. Zametki, 69:4 (2001), 550–565; Math. Notes, 69:4 (2001), 499–513
Linking options:
https://www.mathnet.ru/eng/mzm522https://doi.org/10.4213/mzm522 https://www.mathnet.ru/eng/mzm/v69/i4/p550
|
Statistics & downloads: |
Abstract page: | 544 | Full-text PDF : | 210 | References: | 77 | First page: | 2 |
|