Coupling finite elements and auxiliary sources. - Daniele Casati; Ralf Hiptmair (Comput. Math. Appl., 2019)

Coupling FEM with a Multiple-Subdomain Trefftz Method. - Daniele Casati; Ralf Hiptmair (J. Sci. Comput., 2020)

Machine Learning for Auxiliary Sources. - Daniele Casati (CoRR, 2021)