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Статья

A note on degenerations of del Pezzo surfaces

Annales de l'Institut Fourier. 2015. No. 65. P. 1-16.

We prove that for a Q-Gorenstein degeneration X of del Pezzo surfaces, the number of non-Du Val singularities is at most ρ(X)+2. Degenerations with ρ(X) + 2 and ρ(X) + 1 non-Du Val points are investigated © Association des Annales de l'institut Fourier, 2015, Certains droits réservés.