| Citation: | ZHU Li, LI Xiu-hua, GOU Xing-ming. Optimal Obstacle Control Problem[J]. Applied Mathematics and Mechanics, 2008, 29(5): 505-514. | 
 
	                | [1] | Adams D R,Lenhart S. An obstacle control problem with a source term[J].Appl Math Optim,2008,47(1):79-95. | 
| [2] | Adams D R, Lenhart S. Optimal control of the obstacle for a parabolic variational inequality[J].J Math Anal Appl,2002,268:602-614. doi:  10.1006/jmaa.2001.7833 | 
| [3] | Adams D R, Lenhart S, Yong J.Optimal control of the obstacle for an elliptic variational inequality[J].Appl Math Optim,1998,38:121-140. doi:  10.1007/s002459900085 | 
| [4] | Barbu V.Analysis and Control of Nonlinear Infinite Dimensional Systems[M].Math Sci Engrg. 190. San Diego :Academic Press, 1993. | 
| [5] | Chen Q. Indirect obstacle control problem for semilinear elliptic variational inequalities[J].SIAM J Control Optim,1999,38:138-158. doi:  10.1137/S0363012998343379 | 
| [6] | LOU Hong-wei.An optimal control problem governed by quasi-linear variational inequalities[J].SIAM J Control Optim,2003,41(4): 1229-1253. | 
| [7] | Chen Q. Optimal control for semilinear evolutionary variational bilateral problems[J].J Math Anal Appl,2003,277(1):303-323. doi:  10.1016/S0022-247X(02)00569-3 | 
| [8] | Duvaunt G, Lions J L.Les Inequations en Mecanique et en Pysique[M].Paris:Dunod,1972. | 
| [9] | Bergounioux M, Kunisch K.Augmented Lagrangian techniques for elliptic state constrained optimal control problems[J].SIAM J Control Optim,1997,35:1524-1543. doi:  10.1137/S036301299529330X | 
| [10] | Bergounioux M. Optimal control of semilinear elliptic obstacle problems[J].J Nonlinear Convex Anal,2002,3(1):25-39. | 
| [11] | Chipot M.Variational Inequalities and Flow in Porous Media[M].New York:Springer-Verlag,1984. | 
| [12] | Bergounioux M, Lenhart S. Optimal control of bilateral obstacle problems[J].SIAM J Control Optim,2004,43(1):240-255. doi:  10.1137/S0363012902416912 | 
| [13] | Bucur D, Buttazzo G,Trabeschi P. An existence result for optimal obstacles[J].J Funct Anal,1999,162(1):96-119. doi:  10.1006/jfan.1998.3363 | 
| [14] | Buttazzo G, Wagner A. On the optimal shape of a rigid body supported by an elastic membrane[J].Nonlinear Anal,2000,39(1):47-63. doi:  10.1016/S0362-546X(98)00163-1 | 
| [15] | 张恭庆,林源渠.泛函分析讲义[M].北京:北京大学出版社,2003,85. | 
