We have closed the free passes to the ATCM 2020 (atcm.mathandtech.org). Thank you so much for your interest in ATCM 2020. The Electronic Proceedings are available at atcm.mathandtech.org/EP2020. If you are interested in reading the full papers now or viewing the recorded presentations after the conference. You are more than welcome to register at https://mathandtech.org/SecureRegistration/rne/. We look forward to seeing you at future ATCM conferences.