First steps with Bott formula

Authors

DOI:

https://doi.org/10.1478/AAPP.1012LC1

Keywords:

Bott’s residue formula, complete intersection, torus action, rational surfaces.

Abstract

We use Bott's residue formula to infer that a general cubic surface in the projective space ℙ3 contains exactly twenty seven lines and that a general complete intersection of two quadrics in ℙ4 contains exactly sixteen lines.

Author Biographies

  • Mustapha Lahyane, Universidad Michoacana de San Nicolás de Hidalgo
    Instituto de Física y Matemáticas, Professor
  • Israel Moreno-Mejía, Universidad Nacional Autónoma de México
    Instituto de Matemáticas-Unidad Oaxaca, Assistant Professor
  • Dan Silva-López, Universidad Nacional Autónoma de México
    Instituto de Matemáticas-Unidad Oaxaca, Ph.D. candidate in Mathematics

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Published

2023-10-29

Issue

Section

Lectures and Colloquia