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The many limits of mixed means
Authors:John Todd
Affiliation:1. California Institute of Technology, 91125, Pasadena, CA, USA
Abstract:The sequences introduced by Carlson (1971) are variants of the Gauss arithmetic geometric sequences (which have been elegantly discussed by D. A. Cox (1984, 1985)). Given (complex)a0,b0 we define

$$a_{n + 1} : = tfrac{1}{2}(a_n  + b_n ),b_{n + 1} : = sqrt {(a_n a_{n + 1} )} $$
Keywords:  KeywordHeading"  >Subject Classifications AMS(MOS): 40A05, 33A25, 65Q05  CR: F.2.m, G.1.m
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