Thom polynomials in -classification I: counting singular projections of a surface

  • Toru Ohmoto

    Hokkaido University, Sapporo, Japan
  • Takahisa Sasajima

    Kyoto, Japan
Thom polynomials in $\mathcal A$-classification I: counting singular projections of a surface cover

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Abstract

We study universal polynomials of characteristic classes associated to the -classification of map-germs , that enable us to systematically generalize enumerative formulae in classical algebraic geometry of projective surfaces in 3 and 4-spaces.