Hostname: page-component-848d4c4894-p2v8j Total loading time: 0 Render date: 2024-06-08T08:22:36.257Z Has data issue: false hasContentIssue false

An improvement of a transcendence measure of Galochkin and Mahler's S-numbers

Published online by Cambridge University Press:  09 April 2009

Masaaki Amou
Affiliation:
Department of MathematicsGumma UniversityAramaki-cho 4, Maebashi 371, Japan
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 give a transcendence measure of special values of functions satisfying certain functional equations. This improves an earlier result of Galochkin, and gives a better upper bound of the type for such a number as an S-number in the classification of transcendental numbers by Mahler.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 1992

References

[1]Amou, M., ‘Approximation to certain transcendental decimal fractions by algebraic numbers’, J. Number Theory, to appear.Google Scholar
[2]Galochkin, A. I., ‘Transcedence measure of values of functions satisfying certain functional equations’, Mat. Zametki 27 (1980); English transl. in Math. Notes 27 (1980), 83–88.Google Scholar
[3]Güting, R., ‘Approximation of algebraic numbers by algebraic numbers’, Michigan Math. J. 8 (1961), 149159.CrossRefGoogle Scholar
[4]Mahler, K., ‘Arithmetische Eigenschafter der Lösungen einer Klasse von Funktionalgleichungen’, Math. Ann. 101 (1929), 342366.CrossRefGoogle Scholar
[5]Mahler, K., ‘An application of Jensen's formula to polynomials’, Mathematika 7 (1960), 98100.CrossRefGoogle Scholar
[6]Schneider, Th., Einführung in die transzendenten Zahlen, Springer, Berlin, 1957.CrossRefGoogle Scholar
[7]Shallit, J. O., ‘Simple continued fractions for some irrational numbers, II’, J. Number Theory 14 (1982), 228231.CrossRefGoogle Scholar