Mortensen observer for a class of variational inequalities–lost equivalence with stochastic filtering approaches

Chaintron, Louis-Pierre, Álvaro Mateos González, Laurent Mertz, and Philippe Moireau. "Mortensen observer for a class of variational inequalities–lost equivalence with stochastic filtering approaches." ESAIM: Proceedings and Surveys 73 (2023): 130-157.