The statistics of continued fractions for polynomials over a finite field |
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Authors: | Christian Friesen Doug Hensley |
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Affiliation: | Department of Mathematics, Ohio State University, Marion Campus, Marion, Ohio 43302 ; Department of Mathematics, Texas A& M University, College Station, Texas 77843 |
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Abstract: | Given a finite field of order and polynomials of degrees respectively, there is the continued fraction representation . Let denote the number of such pairs for which and for . We give both an exact recurrence relation, and an asymptotic analysis, for . The polynomial associated with the recurrence relation turns out to be of P-V type. We also study the distribution of . Averaged over all and as above, this presents no difficulties. The average value of is , and there is full information about the distribution. When is fixed and only is allowed to vary, we show that this is still the average. Moreover, few pairs give a value of that differs from this average by more than |
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Keywords: | |
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