159. (with I. Shvartsman) “The approximate maximum principle in constrained control problems,” Proc. 41st IEEE Conf. Decis. Control, Las Vegas, NV, Dec. 2002, pp. 4345-4350.

158. (with B. Wang) “Calculus of sequential normal compactness in variational analysis,” Research Report # 3 (2002), 21 pp., Dept. of Math., Wayne State University; J. Math. Anal. Appl. 282 (2003), 63-84.

157. (with B. Wang) “Extensions of generalized differential calculus in Asplund spaces, ” Research Report # 1 (2002), 20 pp., Dept. of Math., Wayne State University; J. Math. Anal. Appl. 272 (2002), 164-186.

156. (with I. Shvartsman) “Discrete maximum principle for nonsmooth optimal control problems with delays,” Research Report # 12 (2001), 15 pp., Dept. of Mathematics, Wayne State University; Cybernert. Systems Anal., 38 (2002), 255-264.

155. (with M. Fabian) “Separable reduction and extremal principles in variational analysis,” Research Report 21 (1998), 27 pp., Dept. of Mathematics, Wayne State University; Nonlinear Anal. Theory Methods Appl. 49 (2002) , 265-292

154. “Calculus of second-order subdifferentials in infinite dimensions,” Research Report # 11 (2001), 17 pp., Dept. of Mathematics, Wayne State University; Control and Cybernetics 31 (2002), No. 3, 558-573.

153. (with M. Fabian) “Sequential normal compactness versus topological normal compactness in variational analysis,” Research Report # 10 (2001), 14 pp., Dept. of Mathematics, Wayne State University; Nonlinear Anal. 54 (2003), 1057–1067

152. ”Discrete approximations and necessary optimality conditions for nonsmooth and nonconvex control problems,” Research Report # 8 (2001), 11pp., Dept. of Math., Wayne State University; Proc. of the Inst. of Mathematics, National Academy of Sciences of Belarus, Vol. 7 (2001), 114-1243

151. (with B. Wang) “Differentiability and regularity of Lipschitzian mappings,” Research Report 3 (2001), 12 pp., Dept. of Mathematics, Wayne State University; Proc. Amer. Math. Soc. 131 (2003), 389-399.

150. (with B. Wang) “Sequential normal compactness in variational analysis,” Research Report 8 (2000), 12 pp., Dept. of Mathematics, Wayne State University; Nonlinear Anal. 47 (2001), 717-728

149. (with J.V. Outrata) “On second-order subdifferentials and their applications,” Research Report 7 (2000), 30 pp., Dept. of Mathematics, Wayne State University; SIAM J. on Optimization 12 (2001), 139-169.

148. (with B. Wang) “Necessary suboptimality and optimality conditions via variational principles,” Research Report 4 (2000), 23 pp., Dept. of Math., Wayne State University; SIAM J. Control Optim. 41 (2002), 623–640.

147. (with G.G. Malcolm) “Pareto optimality in nonconvex economies with infinite-dimensional commodity spaces,” Research Report 3 (2000), 21 pp., Dept. of Mathematics, Wayne State University; J. of Global Optimization, Special Issue on Math. Economics 20 (2001), 323-346.

146. (with G.G. Malcolm) “The extremal principle and Pareto optimality in nonconvex economies,” Research Report 1 (2000), 34 pp., Dept. of Mathematics, Wayne State University.

145. “The extremal principle and its applications to optimization and economics,” Research Report 8 (1999), 26 pp., Dept. of Mathematics, Wayne State University; Optimization and Related Topics (A.M. Rubinov a B.M Glover, eds.), Applied Optimization 47, Kluwer Academic Publishers, 2001, pp. 343-369.

144. (with B. Wang) “On variational chacterizations of Asplund spaces,” Research Report 7 (1999), 11 pp., Dept. of Mathematics, Wayne State University, to appear in Experimental, Constructive and Nonlinear Analysis (M. Thera, ed.; in honor of J.M. Borwein), Canad. Math. Soc. Conf. Proceed. 27 (2000), 245-254.

143. “An abstract extremal principle with applications to welfare economics,” Research Report 2 (2000), 24 pp., Dept. of Mathematics, Wayne State Univ.; J. Math. Anal. Appl. 251 (2000), 187-216.

142. (with R. Trubnik) “Stability of discrete approximations and necessary optimality conditions for delay-differential inclusions,” Research Report 5 (1999), 21 pp., Annals Oper. Res. 100 (2001), 149-170.

141. (with R. Trubnik), “Optimal control of delay-differential inclusions,” Research Report 4 (1999), 11 pp., Dept. of Mathematics, Wayne State University; Proc. 38th IEEE Conference on Decision and Control, Phoenix, AZ , December 1999 , pp.442-447.

140. (with Y. Shao and Q. J. Zhu) “Viscosity coderivatives and their limiting behavior in smooth Banach spaces,” Research Report 1 (1999), 39 pp., Dept. of Mathematics, Wayne State University; Positivity 4 (2000), 1-39.

139. “Optimal control of difference, differential and differential-difference inclusions,” Research Report 23 (1998), 28 pp., Dept. of Mathematics, Wayne State University; J. Math. Sci. 100 (2000), 2613-2632

138. (with J.M. Borwein and Y. Lucet), “Compactly epi-Lipschitzian convex sets and functions in normed spaces,” Research Report 22 (1998), 21 pp., Dept. of Mathematics, Wayne State University; J. Convex Analysis.7 (2000), 375-394.

137. “Optimal control of nonconvex discrete and differential inclusions”, Aportaciones Matematicas 24 (1999), pp. 175-196.

136. “Existence theorems in nonconvex optimal control,” Research Report 19 (1998), Dept. of Mathematics, Wayne State University, 18 pp.; Calculus of Variations and Optimal Control (A. Ioffe, S. Reich, and I. Shafrir, eds.), CRC Research Notes in Mathematics Series, Vol. 410, Chapman & Hall/CRC Press, 1999, pp. 173-197.135. (with M. Fabian) “Separable reduction and supporting properties of Frechet-like normals in Banach spaces,” Research Report 16 (1998), 23 pp.; Canad. J. Math. 51 (1999), 26-48.

134. “Minimax design of constrained parabolic systems,” Research Report 20 (1998), 9 pp., Dept. of Mathematics, Wayne State University; Control of Distributed Parameter and Stochastic Systems (C. Chen et al., eds), Kluwer Acad. Publishers, 1999, pp. 111-118.

133. “On variational analysis in infinite dimensions,” Research Report 33 (1997), 9 pp., Dept. of Mathematics, Wayne State University; System Modelling and Optimization (M. Polis et al., eds.), Chapman & Hall/CRC Press, 1999, pp.189-197.

132. “Optimal control of discrete, differential, and delay-differential inclusions,” Surveys in Modern Mathematics and Its Applications, vol. 61: Nonsmooth Analysis and Optimization, pp. 33-65, VINITI, Moscow, 1999 (Russian).

131. (with J.M. Borwein and Y. Shao) “On the equivalence of some basic principles in variational analysis,” Research Report 34 (1997), 27 pp., Dept. of Mathematics, Wayne State University; J. Math. Anal. Appl. 229 (1999), 228-257.

130. (with K. Zhang) “Robust suboptimal control of constrained parabolic systems under uncertainty conditions”, Dynamics and Control (A. Kryazhimskii, G. Leitmann, and F. E. Udwadia, eds.), Stability and Control: Theory, Methods and Applications, Vol. 9 (1999), pp. 81-92, Gordon and Breach Science Publishers.

129. (with K. Zhang) “H-Infinity optimal control of time-varying systems with L2-bounded state constraints,” Research Report 14 (1998), 23 pp., Dept. of Mathematics, Wayne State University; Proc. 37th IEEE Conference on Decision and Control, Tampa, FL, 1998, 3795-3800.