. | Contents | 3-4 |

J. Sokołowski T. Lewiński | Preface to Special Issue | 5-6 |

M. Bendsøe E. Lund N. Olhoff O. Sigmund | Topology optimization - broadening the areas of application | 7-35 |

J. Sokołowski A. Henrot | Mathematical challenges in shape optimization | 37-57 |

G. Allaire F. de Gournay F. Jouve A. Toader | Structural optimization using topological and shape sensitivity via a level set method | 59-80 |

S. Amstutz I. Horchani M. Masmoudi | Crack detection by the topological gradient method | 81-101 |

D. Bucur | How to prove existence in shape optimization | 103-116 |

M. Dambrine G. Vial | Influence of a boundary perforation on the Dirichlet energy | 117-136 |

M. Delfour J. Zolésio | Shape identification via metrics constructed from the oriented distance function | 137-164 |

J. Zolésio J. Désidéri | Inverse shape optimization problems and application to airfoils | 165-202 |

K. Eppler H. Harbrecht | A regularized Newton method in electrical impedance tomography using shape Hessian information | 203-225 |

T. Lewiński C. Graczykowski | The lightest plane structures of a bounded stress level transmitting a point load to a circular support | 227-253 |

X. Guo K. Zhao M. Wang | A new approach for simultaneous shape and topology optimization based on dynamic implicit surface function | 255-282 |

J. Haslinger J. Málek J. Stebel | A new approach for simultaneous shape and topology optimization based on dynamic implicit surface function | 283-303 |

M. Hinterműller | Fast level set based algorithms using shape and topological sensitivity information | 305-324 |

W. Horn J. Sokołowski | A model for passive damping of a membrane | 325-337 |

A. Novotny R. Feijóo C. Padra E. Taroco | Topological derivative for linear elastic plate bending problems | 339-361 |

J. Roche | Adaptive Newton-like method for shape optimization | 363-377 |

. | Contents | 381-382 |

. | In Memory of Professor Anatol Gosiewski | 383-385 |

D. Wachsmuth | Regularity and stability of optimal controls of nonstationary Navier-Stokes equations | 387-409 |

T. Kaczorek | Reachability and minimum energy control of positive 2D systems with delays | 411-423 |

I. Chryssoverghi | Approximate gradient projection method with general Runge-Kutta schemes and piecewise polynomial controls for optimal control problems | 425-451 |

K. Latawiec | Control zeros and maximum-accuracy/maximum-speed control of LTI MIMO discrete-time systems | 453-475 |

J. Kowynia | An algorithm for checking Hurwitz stability of K-symmetrizable interval matrices | 477-486 |

M. Tlas B. Abdul Ghani | A logarithmic barrier function method for solving nonlinear multiobjective programming problems | 487-504 |

A. Piegat | On practical problems with the explanation of the difference between possibility and probability | 505-524 |

J. Stańczak | Optimal control of multistage deterministic, stochastic and fuzzy processes in the fuzzy environment via an evolutionary algorithm | 525-552 |

R. Abu-Zitar A. Al-Fahed Nuseirat | A rule based machine learning approach to the nonlinear multifingered robot gripper problem | 553-573 |

S. Minkevičius S. Steišŭnas | On global maxima in multiphase queues | 575-588 |

K. Worwa | A discrete-time software reliability-growth model and its application for predicting the number of errors encountered during program testing | 589-606 |

J. Allwright R. Vinter | Second order conditions for periodic optimal control problems | 617-643 |

Z. Artstein | Bang-bang controls in the singular perturbations limit | 645-663 |

I. Lasiecka V. Barbu M. Rammaha | Existence and uniqueness of solutions to wave equations with nonlinear degenerate damping and source terms | 665-687 |

A. Caetano A. Sarychev D. Seabra | Two-dimensional stable Lavrentiev phenomenon with and without boundary conditions | 689-707 |

F. Clarke | The maximum principle in optimal control, then and now | 709-722 |

A. Dmitruk | On a nonlocal metric regularity of nonlinear operators | 723-746 |

L. Drużkowski | On the global asymptotic stability problem and the Jacobian conjecture | 747-762 |

U. Felgenhauer | Optimality properties of controls with bang-bang components in problems with semilinear state equation | 763-785 |

H. Frankowska | Optimal synthesis via superdifferentials of value function | 787-803 |

A. Ioffe | On necessary conditions in variable end-time optimal control problems | 805-817 |

B. Jakubczyk W. Respondek | Phase portraits of planar control-affine systems | 819-847 |

B. Mordukhovich D. Wang | Optimal control of semilinear evolution inclusions via discrete approximations | 849-870 |

J. Penot K. Nachi | Inversion of multifunctions and differential inclusions | 871-901 |

J. Sokołowski S. Nazarov | Self-adjoint extensions of differential operators and exterior topological derivatives in shape optimization | 903-925 |

N. Osmolovskii H. Maurer | Equivalence of second order optimality conditions for bang-bang control problems. Part 1: Main results | 927-950 |

S. Rolewicz | Paraconvex analysis | 951-965 |

V. Veliov | Error analysis of discrete approximations to bang-bang optimal control problems: the linear case | 967-982 |

. | Contents | 985-986 |

D. Bors | Superlinear elliptic systems with distributed and boundary controls | 987-1004 |

I. Pawłow E. Bartkowiak | The Cahn-Hilliard-Gurtin system coupled with elasticity | 1005-1043 |

Y. Sun | Less conservative results for the exponential stability of uncertain time-delay systems | 1045-1055 |

H. Bolandi A. Ehyaei S. Esmaeilzadeh | Design of a novel control algorithm for a 6 D.O.F. mobile manipulator based on a robust observer | 1057-1074 |

J. Halawa | Determining the settings of PI and PID controllers with a convergent method using computer aided design | 1075-1091 |

J. Mielniczuk P. Wojdyłło | Wavelets for time series analysis - a survey and new results | 1093-1125 |

P. Kulczycki A. Mazgaj | An algorithm for Bayes parameter identification with quadratic asymmetrical loss function | 1127-1148 |

P. Kulczycki J. Waglowski | On the application of statistical kernel estimators for the demand-based design of a wireless data transmission system | 1149-1167 |

L. Ciupalǎ | A scaling out-of-kilter algorithm for minimum cost flow | 1169-1174 |

L. Knopik | Some results on the ageing class | 1175-1180 |

J. Stańczak | Book review: "Evolutionary Computation in Data Mining" by A. Ghosh, L.C. Jain | 1181-1183 |

. | Table of contents of volume 34 (2005) | 1185-1188 |

. | Alphabetical list of contributors of volume 34 (2005) | 1189-1191 |

. | The list of volume's referees | 1193-1195 |