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On non‐normal del Pezzo surfaces
Author(s) -
Abe Makoto,
Furushima Mikio
Publication year - 2003
Publication title -
mathematische nachrichten
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 50
eISSN - 1522-2616
pISSN - 0025-584X
DOI - 10.1002/mana.200310099
Subject(s) - mathematics , degree (music) , pure mathematics , physics , acoustics
Let Y be a non‐normal del Pezzo surface over ℂ and let d ≔ ( ω −1 Y ) 2 > 0 be the degree of Y . Then we prove that ω ⊗ d −4 Y is very ample for d = 1, 2.