D. Badziahin
An Unusual Continued Fraction
Badziahin, D.; Shallit, J.
Authors
J. Shallit
Abstract
We consider the real number σ with continued fraction expansion [a0, a1, a2,...] = [1, 2, 1, 4, 1, 2, 1, 8, 1, 2, 1, 4, 1, 2, 1, 16,...], where ai is the largest power of 2 dividing i + 1. We show that the irrationality measure of σ2 is at least 8/3. We also show that certain partial quotients of σ2 grow doubly exponentially, thus confirming a conjecture of Hanna and Wilson.
Citation
Badziahin, D., & Shallit, J. (2016). An Unusual Continued Fraction. Proceedings of the American Mathematical Society, 144(5), 1887-1896. https://doi.org/10.1090/proc/12848
Journal Article Type | Article |
---|---|
Acceptance Date | May 24, 2015 |
Online Publication Date | Sep 15, 2015 |
Publication Date | May 1, 2016 |
Deposit Date | Jun 23, 2015 |
Publicly Available Date | Jun 26, 2015 |
Journal | Proceedings of the American Mathematical Society |
Print ISSN | 0002-9939 |
Electronic ISSN | 1088-6826 |
Publisher | American Mathematical Society |
Peer Reviewed | Peer Reviewed |
Volume | 144 |
Issue | 5 |
Pages | 1887-1896 |
DOI | https://doi.org/10.1090/proc/12848 |
Related Public URLs | http://arxiv.org/abs/1505.00667 |
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Copyright Statement
© 2015 American Mathematical Society. First published in Proceedings of the American Mathematical Society, 144 (2016), 1887-1896, published by the American Mathematical Society.
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