The (extended) Binary Value Principle (eBVP, the equation $\sum x_i 2^{i-1} = -k$ for $k > 0$
and in the presence of $x_i^2=x_i$) has received a lot of attention recently, several lower
bounds have been proved for it [Alekseev et al 20, Alekseev 21, Part and Tzameret 21].
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