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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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A result on nearness of functions and their regular $C$-fraction expansions
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by Lisa Jacobsen and Haakon Waadeland PDF
Proc. Amer. Math. Soc. 106 (1989), 741-750 Request permission

Abstract:

We shall prove a "nearness"-result of the following type. If $f(w)$ is a holomorphic function in $\Omega = \{ w \in {\mathbf {C}};\left | {\arg (1 + 4w)} \right | < \pi \}$ and "sufficiently near" the function $(\sqrt {1 + 4w} - 1)/2$, then $f(w)$ has a regular C-fraction expansion $K({a_n}w/1)$ where ${a_n} \to 1$.
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Additional Information
  • © Copyright 1989 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 106 (1989), 741-750
  • MSC: Primary 30B70; Secondary 40A15
  • DOI: https://doi.org/10.1090/S0002-9939-1989-0967487-2
  • MathSciNet review: 967487