%0 Journal Article %A Arrondo Esteban, Enrique %T Subcanonicity of codimension two subvarieties %D 2005 %@ 1988-2807 %U https://hdl.handle.net/20.500.14352/49573 %X 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 Serreā€™s construction, Porteous formula and Hodge index theorem. %~