Hostname: page-component-cd9895bd7-dzt6s Total loading time: 0 Render date: 2024-12-27T07:19:09.716Z Has data issue: false hasContentIssue false

Examples of Factorial Rings in Algebraic Geometry

Published online by Cambridge University Press:  20 November 2018

Jacek Bochnak
Affiliation:
Department of Mathematics and Computer Sciences, Vrije Universiteit, 1007 MC Amsterdam, Postbus 7161, The Netherlands
Wojciech Kucharz
Affiliation:
Department of Mathematics and Statistics, University of New Mexico Albuquerque, New Mexico, 87131, USA
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

We show that the ring of complex-valued regular functions on an affine irreducible nonsingular real algebraic variety X is factorial if dim X = 1 or dim X = 2 and X has no compact connected components or X is compact and the second cohomology group of X with integral coefficients vanishes.

Keywords

Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 01

References

1. Bass, H., Algebraic K-theory, Benjamin (1968).Google Scholar
2. Benedetti, R., Tognoli, A., On real algebraic vector bundles, Bull. Sci. Math., 104(2) (1980), pp. 89112.Google Scholar
3. Benedetti, R., Tognoli, A., Remarks and counterexamples in the theory of real algebraic vector bundles and cycles, Lecture Notes in Math. 959 (1981), pp. 198211.Google Scholar
4. Bochnak, J., Coste, M., Roy, M.F., Géomètrie Algébrique Réelle (book in preparation).Google Scholar
5. Bochnak, J., Kucharz, W., Shiota, M., Divisor class groups of some rings of global real analytic, Nash or rational regular functions, Lecture Notes in Math. 959 (1981), pp. 218248.Google Scholar
6. Bochnak, J., Kucharz, W., Shiota, M., On equivalence of ideals and real global analytic functions and the 17th Hilbert Problem, Invent. Math. 63 (1981), pp. 403421.Google Scholar
7. Bochnak, J., Kucharz, W., On real algebraic morphisms into Sn, preprint 1984.Google Scholar
8. Fossum, R.M., The divisor class group of a Krull domain, Ergebnisse der Mathematik and ihrer Grenzgebiete, 1973.Google Scholar
9. Hironaka, H., Resolution of singularities of an algebraic variety over afield of characteristic zero, Ann. of Math. 79 (1964), I: pp. 109203; II: pp. 205-326.Google Scholar
10. Serre, J.P, Faisceaux algébriques cohérents, Ann. of Math. 61 (1955), pp. 197278.Google Scholar
11. Shiota, M., Sur la factorialité de l'anneau des fondons lisses rationnalles, C.R.A.S., Paris 292 (1981), pp. 6770.Google Scholar