Abstract
Let α be a nonzero algebraic integer of degree d, all of whose conjugates α1=α,α2,…,αd lie in a sector |argz|≤𝜃, 0<𝜃≤90∘. We define the S-measure of α by S(α)= ∑i=1d|αi| and the absolute S-measure of α by s(α)=S(α)∕d. We compute the greatest lower bound c(𝜃) of s(α) for α belonging to twelve subintervals of (0,𝜃). Among these subintervals, three are complete. These computations use the principle of explicit auxiliary functions and our recursive algorithm.
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