Funding for this research was provided by:
Istituto Nazionale di Alta Matematica ”Francesco Severi” (GNCS Young Researchers Project (Progetto Giovani Ricercatori) “Variational methods for the approximation of sparse data”)
Regione Autonoma della Sardegna (Research project “Algorithms and Models for Imaging Science [AMIS]” (RASSR57257, intervento finanziato con risorse FSC 2014-2020 - Patto per lo Sviluppo della Regione Sardegna))
National Science Foundation (DMS-1720259, DMS-1729509)
Article History
Received: 24 February 2020
Accepted: 5 March 2021
First Online: 31 March 2021