Rational antipalindromic quotient conjecture

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A rational number p/qp/q has an antipalindromic quotient representation if there are antipalindromic numbers AA and BB such that p/q=A/Bp/q=A/B. Rational antipalindromic quotient conjecture. For every integer p≥4p\geq 4, there exists an integer q<pq<p such that p/q=A/Bp/q=A/B has a solution in antipalindromes A,BA,B.

The conjecture is based on computations for p>qp>q and p≤1000p\leq 1000, following an algorithm that decides whether a given rational number has an antipalindromic quotient representation; the general assertion remains open.

References

Primary source

James Haoyu Bai, Joseph Meleshko, Samin Riasat and Jeffrey Shallit, “Quotients of Palindromic and Antipalindromic Numbers”, arXiv:2202.13694 (2022).

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