Generators of the ideal of an algebraic space curve

  • Authors:
  • E. Fortuna;P. Gianni;B. Trager

  • Affiliations:
  • Dipartimento di Matematica, Università di Pisa, Largo B. Pontecorvo 5, I56127 Pisa, Italy;Dipartimento di Matematica, Università di Pisa, Largo B. Pontecorvo 5, I56127 Pisa, Italy;IBM T.J.Watson Research Center, 1101 Kitchawan Road, Yorktown Heights, NY 10598, USA

  • Venue:
  • Journal of Symbolic Computation
  • Year:
  • 2009

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Abstract

In this paper we show that the ideal of any algebraic curve in affine 3-space whose Jacobian matrix has rank at least 1 at every singular point of the curve can be generated by three polynomials and we give constructive procedures to compute such generators.