E. Pardoux et A. Rascanu, BACKWARD STOCHASTIC DIFFERENTIAL-EQUATIONS WITH SUBDIFFERENTIAL OPERATOR AND RELATED VARIATIONAL-INEQUALITIES, Stochastic processes and their applications, 76(2), 1998, pp. 191-215
The existence and uniqueness of the solution of a backward SDE, on a r
andom (possibly infinite) time interval, involving a subdifferential o
perator is proved. We then obtain a probabilistic interpretation for t
he viscosity solution of some parabolic and elliptic variational inequ
alities. (C) 1998 Elsevier Science B.V. All rights reserved.