Special issue of ADAM devoted to The International Conference and PhD-Master Summer School "Groups and Graphs, Designs and Dynamics", 2019 Authors Alexander Ivanov Imperial College London Elena Konstantinova Sobolev Institute of Mathematics https://orcid.org/0000-0002-3457-645X Jack Koolen University of Science and Technology of China https://orcid.org/0000-0002-8623-5681 Yaokun Wu Shanghai Jiao Tong University https://orcid.org/0000-0002-6811-7067 Downloads PDF Published 2021-08-24 Issue Vol. 4 No. 2 (2021) Section Editorial