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Type: Artigo de periódico
Title: On The Gauss Algebra Associated To A Rational Map ℙd → ℙn
Author: Brumatti P.
Gimenez P.
Simis A.
Abstract: Letkbe a field of characteristic zero. Given a polynomial ringBoverkand a finitely generatedk-subalgebraA⊂B, one associates toAak-subalgebra G(A)⊂Bin such a way that whenAis generated byn+1 forms of the same degree then so is G(A) and, moreover, in this case, G(A) is the homogeneous coordinate ring of the Gauss image of Proj(A)⊂Pnin the Plücker embedding of the Grassmannian G(d,n), whered=dimProj(A). The precise structure of G(A) is established whenAis the homogeneous coordinate ring of a Veronese embedding of Pdor of a projective monomial curve. © 1998 Academic Press.
Rights: fechado
Identifier DOI: 10.1006/jabr.1998.7438
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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