Available in electronic format
Available in print format
Mathematics of Computation
Journal of the American Mathematical Society
ISSN 1088-6842(e) ISSN 0025-5718(p)
     

Bounds for the smallest norm in an ideal class

Author(s): Ana-Cecilia de la Maza.
Journal: Math. Comp. 71 (2002), 1745-1758.
MSC (2000): Primary 11R29; Secondary 11Y60
Posted: October 26, 2001
Retrieve article in: PDF DVI PostScript
This article is available free of charge

Abstract | References | Similar articles | Additional information

Abstract: We develop a method for obtaining upper bounds for the smallest norm among all norms of integral ideals in an ideal class. Applying this to number fields of small degree, we are able to substantially improve on the best previously known bounds.


References:

[C]
Cohen, H. et al., ${\Bi{PARI}}$, Freeware available by anonymous FTP from megrez.math.- u-bordeaux.fr, directory pub/pari.

[F1]
Friedman, E.: Analytic formulas for the regulator of a number field. Invent. Math. 98 (1989), 599-622. MR 91c:11061

[F2]
Friedman, E.: Hecke's integral formula. Sém. Théorie des Nombres de Bordeaux 1987-1988, exposé 5. MR 90i:11136

[G-R]
Gradshteyn, I. S. and Ryzhik, I. M.: Table of integrals, series, and products. New York: Academic Press, 1994. MR 94g:00008

[L]
Lang, S.: Algebraic Number Theory. Addison-Wesley, Reading. Mass., 1970. MR 44:181

[M]
Mulholland, H.P.: On the product of n complex homogeneous linear forms. J. London Math. Soc. 35, 241-250 (1960). MR 22:4703

[N]
Narkiewicz, W.: Elementary and Analytic Theory of Algebraic Numbers. Springer- Verlag, Berlin, 1990. MR 91h:11107

[O]
Odlyzko, A.M.: Bounds for discriminants and related estimates for class numbers, regulators and zeros of zeta function: a survey of recent results. Sém. Théorie des Nombres de Bordeaux 2, 119-141 (1990). MR 91i:11154

[R]
Rogers, C.A.: The product of n real homogeneous linear forms. Acta Math. 83, 185-208 (1950). MR 11:501e

[Zi]
Zimmert, R.: Ideale kleiner Norm in Idealklassen und eine Regulatorabschätzung. Invent. Math. 62, 367-380 (1981). MR 83g:12008


Similar Articles:

Retrieve articles in Mathematics of Computation with MSC (2000): 11R29, 11Y60

Retrieve articles in all Journals with MSC (2000): 11R29, 11Y60


Additional Information:

Ana-Cecilia de la Maza
Affiliation: Instituto de Matemática y Física, Universidad de Talca, Casilla 747, Talca, Chile

DOI: 10.1090/S0025-5718-01-01373-4
PII: S 0025-5718(01)01373-4
Keywords: Ideal classes of number fields, norm bounds, Minkowski's constant
Received by editor(s): September 15, 1999
Received by editor(s) in revised form: December 26, 2000
Posted: October 26, 2001
Additional Notes: This work was supported by Fondecyt grants N$^{\mathrm o}$ 2950023, 1960867 and 1981170, and by Programa formas extremas y representación de formas cuadráticas, Universidad de Talca, Chile
Copyright of article: Copyright 2001, American Mathematical Society


  AMS Website Logo Small Comments: webmaster@ams.org
© Copyright 2008, American Mathematical Society
Privacy Statement
Search the AMSPowered by Google