Dubickas conjecture on multiplicative dependence of shifted algebraic numbers

For an algebraic number α\alpha, consider the set N+α={n+α:nN}{\mathbb N}+\alpha=\{n+\alpha:n\in{\mathbb N}\}. A set of nonzero algebraic numbers is multiplicatively independent if no nontrivial product of its elements raised to integer powers equals 11. Dubickas conjecture. There exists some algebraic number α\alpha such that N+α{\mathbb N}+\alpha is multiplicatively independent. This conjecture is presented as the opposite answer to the question of whether N+α{\mathbb N}+\alpha is multiplicatively dependent for every algebraic number α\alpha. The question has an affirmative answer for quadratic number fields, and for cubic number fields when shifts by rationals are allowed, but its general status is not given here.

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Primary source

Johan Andersson, “On questions of Cassels and Drungilas-Dubickas”, arXiv:1606.02524 (2016).

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