N. V. Krylov
Qing Han
Workshop in Nonlinear Elliptic Partial Differential Equations (2009 Université libre de Bruxelles)
UIMP-RSME Santaló Summer School (2010 University of Granada)
H. Beirão da Veiga
Andrea R. Nahmod
Tobias H. Colding
Nikolai Nadirashvili