Daniele Andreucci, Raffaela Capitanelli, Sandra Carillo, Maria Rosaria Lancia, Maria Agostina Vivaldi|||Foreword to special issue celebrating the Umberto Mosco's birthday|||189-192||| Alessandro Alla, Maurizio Falcone, Luca Saluzzi|||A tree structure algorithm for optimal control problems with state constraints|||193-221||| Lucio Boccardo, Chiara Leone|||T-minima on convex sets and Mosco-convergence|||223-236||| Italo Capuzzo Dolcetta|||Perron-Frobenius, principal eigenvalue, Maximum Principle: a personal itinerary|||237-250||| Simone Ciani, Vincenzo Vespri|||A new short proof of regularity for local weak solutions for a certain class of singular parabolic equations|||251-264||| Luigi D'Onofrio, Carlo Sbordone, Roberta Schiattarella|||Atomic decomposition for preduals of some Banach spaces|||265-274||| Adriana Garroni, Christopher J. Larsen, David Sarrocco|||Damage dynamics: A variational approach|||275-299||| Paolo Marcellini|||Interior gradient bounds for nonlinear elliptic systems|||301-323|||