Arrondo Esteban, Enrique (2005) Subcanonicity of codimension two subvarieties. Revista matemática complutense, 18 (1). pp. 69-80. ISSN 1988-2807
Official URL: http://www.mat.ucm.es/serv/revmat/
We prove that smooth subvarieties of codimension two in Grassmannians of lines of dimension at least six are rationally numerically subcanonical. We prove the same result for smooth quadrics of dimension at least six under some extra condition. The method is quite easy, and only uses Serre’s construction, Porteous formula and Hodge index theorem.
|Uncontrolled Keywords:||Subcanonical varieties; Grassmannians; Quadrics|
|Subjects:||Sciences > Mathematics > Differential geometry|
|Deposited On:||21 Feb 2011 13:17|
|Last Modified:||21 Feb 2011 13:17|
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