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Quarterly of Applied Mathematics

Quarterly of Applied Mathematics

Online ISSN 1552-4485; Print ISSN 0033-569X

   
 
 

 

On the roots of $f(z)=J_0(z)-iJ_1(z)$


Author: Costas Emmanuel Synolakis
Journal: Quart. Appl. Math. 46 (1988), 105-107
MSC: Primary 33A40
DOI: https://doi.org/10.1090/qam/934685
MathSciNet review: 934685
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Abstract: The function $f\left ( z \right ) = {J_0}\left ( z \right ) - i{J_1}\left ( z \right )$ is examined to determine its behavior in the complex plane. It is shown that $f\left ( z \right )$ has no zeroes in the upper half plane.


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Article copyright: © Copyright 1988 American Mathematical Society