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On sets of fractional dimensions

Published online by Cambridge University Press:  24 October 2008

E. Best
Affiliation:
The Queen's UniveristyBelfast

Extract

1. Any number x can be expressed uniquely in the form

where the xr's are positive integers and where xr < r. In the present paper we consider the set of numbers Eb for which the xr's are bounded, so that 0 ≤ xr < b say, where b also is an integer. We prove that this set has dimension function

h(t) = bu,

where t = euuu−½(b − 1)(2π)−½, in the sense of Hausdorff.

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 1940

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References

Hausdorff, F., “Dimension und äusseres Mass". Math. Annalen, 79 (1919), 157–79.CrossRefGoogle Scholar

A symbol like denotes summation over the members of the set I(E, ρ).

Gillis, J., “Note on a theorem of Myrberg”, Proc. Cambridge Phil. Soc. 33 (1937), 420–4.CrossRefGoogle Scholar