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An inequality, with applications to Cantor measures and normal numbers

Published online by Cambridge University Press:  26 February 2010

Gavin Brown
Affiliation:
School of Mathematics, University of New South Wales, Kensington, N.S.W. 2033, Australia.
Michael S. Keane
Affiliation:
Department of Mathematics and Informatics, Delft University of Technology, Delft, 2600 A.J., The Netherlands.
William Moran
Affiliation:
Department of Pure Mathematics, University of Adelaide, Adelaide, S.A. 5001, Australia.
Charles E. M. Pearce
Affiliation:
Department of Applied Mathematics, University of Adelaide, Adelaide, S.A. 5001, Australia.
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Extract

Suppose x1, x2Є[0,1] and α = log 3/ log 4. Then

The relation is readily seen to be satisfied with equality for both of X1, x2 equal to any of the values 0, ½, 1 so that the value of α is “best possible”.

Type
Research Article
Copyright
Copyright © University College London 1988

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References

1.Bott, R.. Private communication.Google Scholar
2.Brown, G. and Moran, W.. Raikov systems and radicals in convolution measure algebras. J. London Math. Soc. (2) (1983), 531542.CrossRefGoogle Scholar
3.Brown, G., Moran, W. and Pearce, C. E. M.. Riesz products and normal numbers. /. London Math. Soc. (2) (1985), 1218.CrossRefGoogle Scholar
4.Brown, G., Moran, W. and Pearce, C. E. M.. Pearce. Riesz products, Hausdorff dimension and normal numbers. Math. Proc. Camb. Phil. Soc., 101 (1987), 529540.CrossRefGoogle Scholar
5.Graham, C. C. and McGehee, O. C.. Essays in commutative harmonic analysis, Grundlehren der Mathematischen Wissenschaften 238 (Springer, New York, 1979).CrossRefGoogle Scholar
6.Pearce, C. E. M. and Keane, M. S.. On normal numbers. J. Aust. Math. Soc. (A) 32 (1982), 7987.CrossRefGoogle Scholar
7.Pollington, A. D.. The Hausdorfi dimension of a set of normal numbers II. To appear, J. Aust. Math. Soc. (A).Google Scholar
8.Steinhaus, H.. Sur les distances des points des ensembles de mesure positive. Fund. Math., 1 (1920), 93104.CrossRefGoogle Scholar
9.Talagrand, M.. Solution d'un problème de R. Haydon. Publ. Dép. Math. Lyon, 12 (1975), 4346.Google Scholar
10.Woodall, D. R.. A theorem on cubes. Mathematika, 24 (1977), 6062.CrossRefGoogle Scholar