AUTHOR=Bah Bubacarr , Bouchot Jean-Luc TITLE=Editorial: Recent Developments in Signal Approximation and Reconstruction JOURNAL=Frontiers in Applied Mathematics and Statistics VOLUME=6 YEAR=2020 URL=https://www.frontiersin.org/journals/applied-mathematics-and-statistics/articles/10.3389/fams.2020.00006 DOI=10.3389/fams.2020.00006 ISSN=2297-4687