The growth of Dirichlet series |
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Authors: | Zhendong Gu Daochun Sun |
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Institution: | 1. School of Mathematical Sciences, South China Normal University, Guangzhou, People’s Republic of China, Postal Code 510631
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Abstract: | We define Knopp-Kojima maximum modulus and the Knopp-Kojima maximum term of Dirichlet series on the right half plane by the
method of Knopp-Kojima, and discuss the relation between them. Then we discuss the relation between the Knopp-Kojima coefficients
of Dirichlet series and its Knopp-Kojima order defined by Knopp-Kojima maximum modulus. Finally, using the above results,
we obtain a relation between the coefficients of the Dirichlet series and its Ritt order. This improves one of Yu Jia-Rong’s
results, published in Acta Mathematica Sinica 21 (1978), 97–118. We also give two examples to show that the condition under which the main result holds can not be weakened. |
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