AUTHOR=Cerqueti Roy , Shi Feng TITLE=Editorial: Theories and Applications in Network Science JOURNAL=Frontiers in Applied Mathematics and Statistics VOLUME=7 YEAR=2021 URL=https://www.frontiersin.org/journals/applied-mathematics-and-statistics/articles/10.3389/fams.2021.821378 DOI=10.3389/fams.2021.821378 ISSN=2297-4687