Progress in Systems and Control Theory

Invited Papers.- Questioning the classic state-space description via circuit examples.- Noncausal estimation for discrete Gauss-Markov random fields.- Process models for discrete event systems.- A framework for the study of dynamical systems.- Correspondence of internal and external stability - Realization functions and complex analysis.- Transformations and Representations of Systems.- State-space and polynomial approaches to rational interpolation.- The Kahler structure of the total least squares problem, Brockett's steepest descent equations, and constrained flows.- Some canonical properties of nonlinear systems.- Differential algebraic modelling of nonlinear systems.- Transformation issues in linear system theory.- Another look at the Brayton-Moser network equations.- Input/ output equations and realizability.- Balancing general quadratic measures on external signals.- The Topology of Linear Systems.- Lie algebraic generalizations of Hessenberg matrices and the topology of Hessenberg varieties.- The moduli space of controllable singular systems under restricted system equivalence.- A note on the geometry of partial realization.- The numerical stability of observability.- Algebraic Geometry and Linear Systems.- On BC S-rings and the pole shifting problem for linear systems.- Matching via measurement feedback.- Algebraic-geometric techniques for linear periodic discrete-time systems.- Zeros at infinity for infinite dimensional systems.- The pole module of a feedback compensator system is contained in the zero module of the resulting feedback system.- On stabilization and the existence of coprirne factorizations.- Continuous pole shifting for parametric families of systems.- The Riccati fiow near the edge.- Singular Systems.- Reachability and controllability subspaces for singular systems: A matrix pencil characterization.- Classification of subspaces of singular systems: A number theoretic approach.- A classification of minimal bases for singular systems.- Some useful aspects of the infinite structure in singular systems.- On infinite zeros for generalized linear systems.- Non-Standard Models in System Theory.- Multiscale statistical signal processing: Stochastic processes indexed by trees.- Realization theory for deterministic boundary-value descriptor systems.- Two-Dimensional Systems.- An algebraic test for internal stability of 2-D discrete systems.- On some algebraic aspects of 2D dynamic feedback control.- Recursive reconstruction of image from noisy and blurred multiframes.- Computation of the fundamental matrix sequence and the Cay ley-Hamilton theorem in singular 2-D systems.- A state representation for 2-D systems.- Markovian properties for 2-D systems.- 2D transfer functions and stability tests for discrete linear multipass processes.- Bilinear Systems.- Constant feedback stabilizability of bilinear systems.- The parameter sensitivity of bilinear dynamical systems.- Approximate bilinear realizations: an application to diffusion processes.- Approximate Realization.- Interpolation and Fourier coefficients in the Hardy space H2.- Approximation of linear systems under the constraint of steady-state values of the step responses.- Canonical variate modelling and approximation of linear systems.- Experimental analysis of robust solutions to three problems related to the partial realization problem.- System Identification.- Structural identifiability conditions for systems operating in closed loop.- A Imost sure asymptotics of Rissanen's predictive stochastic complexity.- System identifiability for the procedure of most powerful unfalsified modeling.- Identification in H-infinity: A robustly convergent nonlinear algorithm.- Identification/prediction algorithms for ARMAX models with relaxed positive real conditions.- An identification procedure for linear continuous time systems with jump parameters.- On discriminable model sets in residual-based system identification.- Stochastic Dynamical Systems and Statistical Physics.- Stochastic differential equations as dynamical systems.- On the Markov processes of Schroedinger, the Feynman-Kac formula and stochastic control.- Hamiltonian models of classical and quantum stochastic processes.- Stochastic aggregation of linear Hamiltonian systems with microcanonical distribution.- A stochastic integral representation for functional of diffusions on manifolds.- Discrete Event Systems.- Reachability of LSFC Nets.- On controllable languages in supervisory control of discrete event systems.- Petri-net-based fairness concepts for discrete event systems.- Discrete event systems and deadlock.- Hydrology and Hydraulics.- Simplified adaptive Kalman filtering for large-scale geophysical models.- The calibration of 2-D shallow water flow models.- Domain decomposition for data assimilation in flow forecasting models.