Includes bibliographical references.

Travel time tubes regulating transportation traffic ; The directed subdifferential of DC functions ; Periodic solutions to rm O(2) ymmetric variational problems: rm O(2)\times S^1 quivariant gradient degree approach ; Quadratic growth conditions in optimal control problems ; An explicit nonexpansive function whose subdifferential is the entire dual ball ; Optimal spatial pricing strategies with transportation costs ; Isoperimetric problems of the calculus of variations on time scales ; Some twodimensional scr A uasiaffine functions ; Metric regular maps and regularity for constrained extremum problems ; Linearquadratic optimal control problem for singularly perturbed systems with small delays ; Existence of periodic solutions for Kaldorian business fluctuations ; Delta and nabla monomials and generalized polynomial series on time scales ; Morse indexes for piecewise linear functions ; Error bounds, calmness and their applications in nonsmooth analysis ; Commutativity of control vector fields and "infcommutativity" ; Stability of exact penalty for classes of constrained minimization problems in finitedimensional spaces JeanPierre Aubin and Sophie Martin ; Robert Baier and Elza Farkhi ; Zalman Balanov Wieslaw Krawcewicz and Haibo Ruan ; J Frederic Bonnans and N P Osmolovskii ; Jonathan M Borwein and Scott Sciffer ; G Buttazzo and G Carlier ; Rui A C Ferreira and Delfim F M Torres ; Mikil Foss and Njinasoa Randriampiry ; F Giannessi A Moldovan and L Pellegrini ; Valery Y Glizer ; Toru Maruyama ; Dorota Mozyrska and Ewa Pawuszewicz ; Diethard Pallaschke and Ryszard Urbanski ; JeanPaul Penot ; Franco Rampazzo ; Alexander J Zaslavski