Brian Hopkins, Aram Tangboonduangjit Ties in worst-case analysis of the euclidean algorithm. Mathematical Communications. Vol.26, No.1 (2021), 9-20. Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/77389
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Ties in worst-case analysis of the euclidean algorithm
We determine all pairs of positive integers below a given bound that require the most steps in the Euclidean algorithm. Also, we find asymptotic probabilities for a unique maximum pair or an even number of them. Our primary tools are continuant polynomials and the Zeckendorf representation using Fibonacci numbers.