AUTHOR=Martin-Vaquero Jesus , Wade Bruce , García Guirao Juan L. , Minhós Feliz TITLE=Editorial: Analytical and Numerical Methods for Differential Equations and Applications 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.2021.712813 DOI=10.3389/fams.2021.712813 ISSN=2297-4687