Lenhart, Suzanne; Protopopescu, Vladimir; Yong, Jiongmin Identification of boundary shape and reflectivity in a wave equation by optimal control techniques. (English) Zbl 0974.49013 Differ. Integral Equ. 13, No. 7-9, 941-972 (2000). MSC: 49K20 35R30 49J20 93B30 35L05 PDFBibTeX XMLCite \textit{S. Lenhart} et al., Differ. Integral Equ. 13, No. 7--9, 941--972 (2000; Zbl 0974.49013)
Casas, Eduardo; Yong, Jiongmin Maximum principle for state-constrained optimal control problems governed by quasilinear elliptic equations. (English) Zbl 0817.49025 Differ. Integral Equ. 8, No. 1, 1-18 (1995). Reviewer: J.F.Bonnans (Le Chesnay) MSC: 49K20 35J50 93C20 PDFBibTeX XMLCite \textit{E. Casas} and \textit{J. Yong}, Differ. Integral Equ. 8, No. 1, 1--18 (1995; Zbl 0817.49025)
Yong, Jiongmin Optimal control for nonlinear abstract evolution systems. (English) Zbl 0797.49020 Differ. Integral Equ. 6, No. 5, 1145-1159 (1993). Reviewer: E.G.Al’brekht (Chaterinburg) MSC: 49K27 93C25 PDFBibTeX XMLCite \textit{J. Yong}, Differ. Integral Equ. 6, No. 5, 1145--1159 (1993; Zbl 0797.49020)
Yong, Jiongmin Pontryagin maximum principle for semilinear second order elliptic partial differential equations and variational inequalities with state constraints. (English) Zbl 0784.35037 Differ. Integral Equ. 5, No. 6, 1307-1334 (1992). Reviewer: A.Göpfert (Halle) MSC: 35J85 49K20 35B37 PDFBibTeX XMLCite \textit{J. Yong}, Differ. Integral Equ. 5, No. 6, 1307--1334 (1992; Zbl 0784.35037)