![](https://alop.uni-trier.de/wp-content/uploads/2023/02/Lukas_Winkel_Doktorhut.jpg)
Lukas Winkel defended his thesis
ALOP member Lukas Winkel sucessfully defended his thesis titled A Penalty Branch-and-Bound Method for Piecewise Convex Objective Functions and received his Doctorate in Natural Sciences on January 26, 2023. Congratulations!