At the 50th International Symposium on Operational Research (Mount Tara, Serbia), which took place from September 18-21, 2023, Slobodan Jelic, member of the ForestCO2 project research team, presented the paper with the following title:
A (log n)-approximation algorithm for node weighted prize collecting group steiner tree problem with bounded group size.
Further details about the conference can be found at http://www.symopis2023.mod.gov.rs.