Hostname: page-component-78c5997874-4rdpn Total loading time: 0 Render date: 2024-11-11T02:51:34.917Z Has data issue: false hasContentIssue false
  • English
  • Français

Distributions de signes

Published online by Cambridge University Press:  26 February 2010

E. Fortuna
E. Fortuna
Affiliation:
Professor Elisabetta Fortuna, Dipartimento di Matematica, Universitá di Pisa, Via Buonarroti 2, 1-56127 Pisa, Italy.
Get access

Extract

Soit Y un sous-ensemble algébrique de codimension 1 de R'. Une distribution globale (resp. partielle) de signes sur Rn est une application qui associe un signe a chaque composante connexe (resp. à certaines parmi les composantes connexes) de Rn – Y.

MSC classification

Secondary: 14P05: Real algebraic sets
Type
Research Article
Information
Mathematika , Volume 38 , Issue 1 , June 1991 , pp. 50 - 62
Copyright
Copyright © University College London 1991

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1. Bochnak, J., Coste, M. and Coste-Roy, M. F.. Géometrie Algebrique Réelle (Springer, Berlin, Heidelberg, New York, 1987).Google Scholar
2. Brocker, T. and Lander, L.. Differentiable Germs and Catastrophes (Cambridge Univ. Press, 1975).CrossRefGoogle Scholar
3. Broglia, F. and Tognoli, A.. Approximation of C∞-functions without changing their zero-set. Ann. Inst. Fourier, Grenoble, 39 (1989), 611–632.CrossRefGoogle Scholar
4. Ruiz, J. M.. A note on a separation problem. Arch. Math., 43 (1984), 422–426.CrossRefGoogle Scholar