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Angular distribution of zeros of the partial sums of \(e^z\) via the solution of inverse logarithmic potential problem - MaRDI portal

Angular distribution of zeros of the partial sums of \(e^z\) via the solution of inverse logarithmic potential problem (Q879663)

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scientific article; zbMATH DE number 5152626
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Angular distribution of zeros of the partial sums of \(e^z\) via the solution of inverse logarithmic potential problem
scientific article; zbMATH DE number 5152626

    Statements

    Angular distribution of zeros of the partial sums of \(e^z\) via the solution of inverse logarithmic potential problem (English)
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    14 May 2007
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    Let \(s_n (z):=\sum_{k=0}^{n}\frac{z^k}{k!}\) denote the \(n\)th partial sum of the exponential function \(e^z\). The paper under review is devoted to the investigation of the angular distribution of the zeros of the normalized partial sums \(s_n (nz)\). The authors consider this problem in the setting of an inverse problem of potential theory and prove an Erdős-Turán-type theorem.
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    Szegő curve
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    logarithmic potential
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    harmonic measure
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