Density computations for real quadratic 2-class groups

  • Wieb Bosma
  • Peter Stevenhagen
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 877)


  1. 1.
    Lagarias, J.C., On the computational complexity of determining the solvability or unsolvability of the equation X 2-DY 2 = −1, Trans. Amer. Math. Soc. 260 (1980) 485–508.Google Scholar
  2. 2.
    Stevenhagen, P., The number of real quadratic fields having units of negative norm, Exp. Math. 2 (1993) 121–136.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1994

Authors and Affiliations

  • Wieb Bosma
    • 1
  • Peter Stevenhagen
    • 2
  1. 1.School of Mathematics and StatisticsUniversity of SydneySydneyAustralia
  2. 2.Faculteit Wiskunde en InformaticaUniversiteit van AmsterdamTV AmsterdamThe Netherlands

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