Transcendence results on the generating functions of the characteristic functions of certain self-generating sets
Peter Bundschuh; Keijo Väänänen
Acta Arithmetica (2014)
- Volume: 162, Issue: 3, page 273-288
- ISSN: 0065-1036
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topPeter Bundschuh, and Keijo Väänänen. "Transcendence results on the generating functions of the characteristic functions of certain self-generating sets." Acta Arithmetica 162.3 (2014): 273-288. <http://eudml.org/doc/279076>.
@article{PeterBundschuh2014,
abstract = {This article continues two papers which recently appeared in this same journal. First, Dilcher and Stolarsky [140 (2009)] introduced two new power series, F(z) and G(z), related to the so-called Stern polynomials and having coefficients 0 and 1 only. Shortly later, Adamczewski [142 (2010)] proved, inter alia, that G(α),G(α⁴) are algebraically independent for any algebraic α with 0 < |α| < 1. Our first key result is that F and G have large blocks of consecutive zero coefficients. Then, a Roth-type argument shows that F(a/b) and G(a/b), for any (a,b) ∈ ℤ × ℕ with 0 < |a| < √b, are transcendental but not U-numbers. Moreover, reasonably good upper bounds for the irrationality exponent of these numbers are obtained. Another main result for which an elementary (or poor men's) proof is presented concerns the algebraic independence of F(z),F(z⁴) over ℂ(z) leading to the F-analogue of Adamczewski's above-mentioned theorem.},
author = {Peter Bundschuh, Keijo Väänänen},
journal = {Acta Arithmetica},
keywords = {Trancendence; algebraic independence; irrationality exponent},
language = {eng},
number = {3},
pages = {273-288},
title = {Transcendence results on the generating functions of the characteristic functions of certain self-generating sets},
url = {http://eudml.org/doc/279076},
volume = {162},
year = {2014},
}
TY - JOUR
AU - Peter Bundschuh
AU - Keijo Väänänen
TI - Transcendence results on the generating functions of the characteristic functions of certain self-generating sets
JO - Acta Arithmetica
PY - 2014
VL - 162
IS - 3
SP - 273
EP - 288
AB - This article continues two papers which recently appeared in this same journal. First, Dilcher and Stolarsky [140 (2009)] introduced two new power series, F(z) and G(z), related to the so-called Stern polynomials and having coefficients 0 and 1 only. Shortly later, Adamczewski [142 (2010)] proved, inter alia, that G(α),G(α⁴) are algebraically independent for any algebraic α with 0 < |α| < 1. Our first key result is that F and G have large blocks of consecutive zero coefficients. Then, a Roth-type argument shows that F(a/b) and G(a/b), for any (a,b) ∈ ℤ × ℕ with 0 < |a| < √b, are transcendental but not U-numbers. Moreover, reasonably good upper bounds for the irrationality exponent of these numbers are obtained. Another main result for which an elementary (or poor men's) proof is presented concerns the algebraic independence of F(z),F(z⁴) over ℂ(z) leading to the F-analogue of Adamczewski's above-mentioned theorem.
LA - eng
KW - Trancendence; algebraic independence; irrationality exponent
UR - http://eudml.org/doc/279076
ER -
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