1 Correction to: Journal of Global Optimization https://doi.org/10.1007/s10898-020-00984-y

The publisher introduced an error in the last sentence of the proof for Lemma 3.2. Its beginning “The supremum of \(\widetilde{W}(LB,UB)\)” must be replaced by “The supremum of \(\overline{W}(LB,UB)\)”. The original article has been corrected.