On the irreducibility of Hilbert scheme of surfaces of minimal degree

Fedor Bogomolov; Viktor S. Kulikov

doi:10.2478/s11533-012-0130-7

On the irreducibility of Hilbert scheme of surfaces of minimal degree

Fedor Bogomolov, Viktor S. Kulikov

Mathematics

Research output: Contribution to journal › Article

Abstract

The article contains a new proof that the Hilbert scheme of irreducible surfaces of degree m in ℙ ^m+1 is irreducible except m = 4. In the case m = 4 the Hilbert scheme consists of two irreducible components explicitly described in the article. The main idea of our approach is to use the proof of Chisini conjecture [Kulikov Vik. S., On Chisini's conjecture II, Izv. Math., 2008, 72(5), 901-913 (in Russian)] for coverings of projective plane branched in a special class of rational curves.

Original language	English (US)
Pages (from-to)	254-263
Number of pages	10
Journal	Central European Journal of Mathematics
Volume	11
Issue number	2
DOIs	https://doi.org/10.2478/s11533-012-0130-7
State	Published - Feb 1 2013

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Keywords

Hilbert scheme
Irreducible projective algebraic surfaces of minimal degree

ASJC Scopus subject areas

Mathematics(all)

Cite this

Bogomolov, F., & Kulikov, V. S. (2013). On the irreducibility of Hilbert scheme of surfaces of minimal degree. Central European Journal of Mathematics, 11(2), 254-263. https://doi.org/10.2478/s11533-012-0130-7

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10.2478/s11533-012-0130-7