id author title date pages extension mime words sentences flesch summary cache txt cord-261256-iwdusvrw Gandolfi, Alberto Planning of school teaching during Covid-19 2020-10-01 .txt text/plain 8612 417 62 The key differences with the usual SEIR model [14] are: an external source of infection [15] , [19] , the possibility of transmission limited to 7 hours per working day; a control indicating from the start whether, for each day, schools are open or closed; and the presence of asymptomatic individuals. As benchmark cases we consider the full closure and the complete opening of the school, which is to say, the two most extreme choices of a fully remote teaching or regular 7 hours a day in-class activities for the whole year. In addition, we indicate of each parameter the range of values for which the optimal solution achieves a substantial reduction with respect to complete opening, but limited to determining at most an 100% increase in the number of cases with respect to school closure. ./cache/cord-261256-iwdusvrw.txt ./txt/cord-261256-iwdusvrw.txt