Algebraic independence of certain Mahler numbers (Q2833087)

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scientific article; zbMATH DE number 6653576
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Algebraic independence of certain Mahler numbers
scientific article; zbMATH DE number 6653576

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    Algebraic independence of certain Mahler numbers (English)
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    16 November 2016
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    algebraic independence of numbers
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    Mahler method
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    Thue-Morse-Mahler numbers
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    regular paperfolding numbers
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    In this paper, the author proves algebraic independence results for the values of special degree \(1\) Mahler functions \(F(z)\) satisfying a functional equation of the form \(p(z)+p_0(z)F(z)+p_1(z)F(z^d)=0\) (\(d\geq 2\)), where \(p(z)\), \(p_0(z)\) and \(p_1(z)\) are polynomials with \(p_0(z)p_1(z)\neq 0\). In particular, the generating functions of Thue-Morse-Mahler, regular paper folding and Cantor sequences belong to this class, and the author obtains the algebraic independence of the values of these functions at every non-zero algebraic point in the open unit disk. This result is obtained from the more general result. The Mahler's method is used to prove the theorems.
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