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Original Article

On the Congruence ax + by = 1 Modulo xy

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Pages 391-401 | Published online: 30 Jan 2011
 

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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