Interesting Esoterica

Continued Logarithms And Associated Continued Fractions

Article by Jonathan M. Borwein and Neil J. Calkin and Scott B. Lindstrom and Andrew Mattingly
  • Published in 2016
  • Added on
We investigate some of the connections between continued fractions and continued logarithms. We study the binary continued logarithms as introduced by Bill Gosper and explore two generalizations of the continued logarithm to base $b$. We show convergence for them using equivalent forms of their corresponding continued fractions. Through numerical experimentation we discover that, for one such formulation, the exponent terms have finite arithmetic means for almost all real numbers. This set of means, which we call the logarithmic Khintchine numbers, has a pleasing relationship with the geometric means of the corresponding continued fraction terms. While the classical Khintchine’s constant is believed not to be related to any naturally occurring number, we find surprisingly that the logarithmic Khintchine numbers are elementary.

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BibTeX entry

@article{ContinuedLogarithms,
	title = {Continued Logarithms And Associated Continued Fractions},
	abstract = {We investigate some of the connections between continued fractions and continued logarithms. We study the binary continued logarithms as introduced by Bill Gosper and explore two generalizations of the continued logarithm to base {\$}b{\$}. We show convergence for them using equivalent forms of their corresponding continued fractions. Through numerical experimentation we discover that, for one such formulation, the exponent terms have finite arithmetic means for almost all real numbers. This set of means, which we call the logarithmic Khintchine numbers, has a pleasing relationship with the geometric means of the corresponding continued fraction terms. While the classical Khintchine’s constant is believed not to be related to any naturally occurring number, we find surprisingly that the logarithmic Khintchine numbers are elementary.},
	url = {https://www.carma.newcastle.edu.au/jon/clogs.pdf},
	author = {Jonathan M. Borwein and Neil J. Calkin and Scott B. Lindstrom and Andrew Mattingly},
	comment = {},
	urldate = {2016-06-15},
	year = 2016
}