Privileged Regions in Critical Strips of Non-lattice Dirichlet Polynomials |
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Authors: | G Mora J M Sepulcre |
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Institution: | 1. Departamento de Análisis Matemático, Universidad de Alicante, 03080, Alicante, Spain
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Abstract: | This paper shows, by means of Kronecker’s theorem, the existence of infinitely many privileged regions called $r$ -rectangles (rectangles with two semicircles of small radius $r$ ) in the critical strip of each function $L_{n}(z)\!:=\!$ $1-\sum _{k=2}^{n}k^{z}$ , $n\!\ge \!2$ , containing exactly $\left \dfrac{T\log n}{2\pi }\right] +1$ zeros of $L_{n}(z)$ , where $T$ is the height of the $r$ -rectangle and $\left\cdot \right]$ represents the integer part. |
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