Abstract
It is well known that the continued fraction K(an/1), where an → −1/4, converges, provided |an+1/4| ≦ 1/16n(n+1) for all n. We show that the constant 1/16 is best possible in the sense that if an=−1/4 – c/n(n+1), where c>1/16 then K(an/1) diverges by oscillation.
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© 1984 Springer-Verlag
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Jacobsen, L., Magnus, A. (1984). On the convergence of limit periodic continued fractions K(an/1), where a1 → −1/4. In: Graves-Morris, P.R., Saff, E.B., Varga, R.S. (eds) Rational Approximation and Interpolation. Lecture Notes in Mathematics, vol 1105. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0072415
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DOI: https://doi.org/10.1007/BFb0072415
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