SMF

Relations between numerical data of an embedded resolution

Relations between numerical data of an embedded resolution

VEYS W.
  • Consulter un extrait
  • Année : 1991
  • Tome : 198-199-200
  • Format : Électronique
  • Langue de l'ouvrage :
    Anglais
  • Pages : 397-403
  • DOI : 10.24033/ast.109

Let k be an algebraically closed field of characteristic zero, fk[xl,,xn], and (X,h) an embedded resolution of f=0. To each irreducible component Ei of hl(f1{0}), we associate the numerical data (Ni,vi), where Ni and vi1 are the multiplicities of Ei in the divisor of respectively fh and h(dx1dxn) on X. For curves (n=2) there is the well-known relation νN=ki=1(vi1)+2ki=1Ni between the numerical data of a fixed irreducible component E and its intersecting other components E1,,Ek. In this paper we present a generalization of this relation, together with new kinds of relations, for all dimensions.



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