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The Diophantine Exponent of Algebraic Numbers for β-Expansions with a Negative Base

Authors

Osama A. B. Shafah

Department of Mathematical Sciences, Libyan Academy for Postgraduate Studies, Tripoli, Libya. (LY)

Mohamed Hbaib

Department of Mathematics, Faculty of Science in Sfax, Bp. 802,3038 Sfax, Tunisia. (LY)

Asmaa Omar Mubayrash

Department of Mathematics., Faculty of Science, Subratah University, Libya. (LY)

Article Information

DOI: 10.51583/IJLTEMAS.2025.1409000009

Subject Category: Algebra

Volume/Issue: 14/9 | Page No: 66-71

Publication Timeline

Submitted: 2025-09-27

Published: 2025-09-27

Abstract

Abstract: The aim of this paper is to prove that the Diophantine exponent  is bounded by , where  is an algebraic number, and  is the Mahler measure of . In addition, a new result will be founded about transcendental number  when  is infinite.

Keywords

β-Expansion, Diophantine Approx- imation, Transcendental, Mahler Measure, Negative Base

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References

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