arXiv · math/0308194
On the congruence ax+by = 1 modulo xy
Abstract
We give bounds on the number of solutions to the Diophantine equation (X+1/x)(Y+1/y) = n as n tends to infinity. These bounds are related to the number of solutions to congruences of the form ax+by = 1 modulo xy.
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J. Brzezinski, W. Holsztynski, P. Kurlberg. 2003-12-17. On the congruence ax+by = 1 modulo xy. https://arxiv.org/abs/math/0308194
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