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math.OC2021
Nonconvex flexible sparsity regularization: theory and monotone numerical schemes
Daria Ghilli, Dirk A. Lorenz, Elena Resmerita
Flexible sparsity regularization means stably approximating sparse solutions of operator equations by using coefficient-dependent penalizations. We propose and analyse a general no…
econ.TH2021
Habits and demand changes after COVID-19
Mauro Bambi, Daria Ghilli, Fausto Gozzi +1
In this paper, we investigate how the COVID-19 pandemics and more precisely the lockdown of a sector of the economy may have changed our habits and, there-fore, altered the demand…