The rational-transcendental dichotomy of Mahler functions
The rational-transcendental dichotomy of Mahler functions
复制标题
马勒函数的理性与先验二分法
DOI:
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发表时间:
2012
期刊:
影响因子:
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通讯作者:
E. Rowland
中科院分区:
文献类型:
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作者:
J. Bell;M. Coons;E. Rowland
In this paper, we give a new proof of a result due to Bezivin that a D-finite Mahler function is necessarily rational. This also gives a new proof of the rational-transcendental dichotomy of Mahler functions due to Nishioka. Using our method of proof, we also provide a new proof of a Polya-Carlson type result for Mahler functions due to Rande; that is, a Mahler function which is meromorphic in the unit disk is either rational or has the unit circle as a natural boundary.