%0 Journal Article %J Journal of Computational Science %D 2021 %T 20 years of computational science: Selected papers from 2020 International Conference on Computational Science %A Kovalchuk, Sergey V %A Krzhizhanovskaya, Valeria V %A Sloot, PMA %A Závodszky, Gábor %A Lees, Michael H %A Paszyński, M %A Jack Dongarra %X We thank the authors of the selected papers for their valuable contributions, the reviewers of this special section for their in-depth reviews and constructive comments, the ICCS program committee members, and workshop organizers for their diligent work ensuring the high standard of accepted ICCS papers. As always, we also thank Springer for publishing the conference proceedings and Elsevier for their continuous support and inspiration during the preparation and publishing of this virtual special issue. %B Journal of Computational Science %V 53 %P 101395–101395 %G eng %R 10.1016/j.jocs.2021.101395