Inequalities Involving the Derivative of Rational Functions With Prescribed Poles

Preeti Gupta and Chong Lin

Journal of Applied Mathematics, 2024, vol. 2024, 1-6

Abstract: This paper gives an upper bound of a modulus of the derivative of rational functions. rz=z−z0shz/wz∈Rm,n, where rz has exactly n poles a1,a2,⋯,an and all the zeros of rz lie in Dk∪Dk+,k≥1 except the zeros of order s at z0,z0

Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnljam:5189314

DOI: 10.1155/2024/5189314

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