1 Correction to: Optimization and Engineering https://doi.org/10.1007/s11081-021-09649-5

In the original publication of the article the name of the first prize winner was published incorrectly. The first winner of the prize is Fränk Plein who was a PhD student at the time when the winning article was written. The correct citation of the winning article is:

Labbé M, Plein F, Schmidt M (2020) Bookings in the European gas market: Characterization of feasibility and computational complexity results. Optimization and Engineering 21:305–334