**Journal**[ all BibTeX ]

2017

W. Mei, S. Mohagheghi, S. Zampieri, F. Bullo.

**On the dynamics of deterministic epidemic propagation over networks.***Annual Reviews in Control*, pp. 116--128, 2017 [BibTeX]2016

S. Bolognani, R. Carli, E. Lovisari, S. Zampieri.

**A randomized linear algorithm for clock synchronization in multi-agent systems.***IEEE Transactions on Automatic Control*, (61), 2016 [BibTeX]S. Bolognani, S. Zampieri.

**On the existence and linear approximation of the power flow solution in power distribution networks.***IEEE Transactions on Power Systems*, vol. 31(1), pp. 163--172, 2016 [BibTeX]N. Bof, G. Baggio, S. Zampieri.

**On the role of network centrality in the controllability of complex networks.***IEEE Transactions on Control of Network Systems*, 2016 [ abstract ] [pdf] [BibTeX]2015

S. Bolognani, R. Carli, G. Cavraro, S. Zampieri.

**Distributed reactive power feedback control for voltage regulation and loss minimization.***Automatic Control, IEEE Transactions on*, vol. 60(4), pp. 966--981, 2015 [BibTeX]2014

F. Pasqualetti, S. Zampieri, F. Bullo.

**Controllability Metrics, Limitations and Algorithms for Complex Networks.***IEEE Transactions on Control of Network Systems*, vol. 1(1), pp. 40--52, 2014 [pdf] [BibTeX]R. Carli, S. Zampieri.

**Network clock synchronization based on the second order linear consensus algorithm.***IEEE Trans. on Automatic Control*, vol. 59,pp. 409--422, 2014 [pdf] [BibTeX]2013

S. Bolognani, S. Zampieri.

**A distributed control strategy for reactive power compensation in smart microgrids.***IEEE Trans. on Automatic Control*, vol. 58(11), 2013 [ abstract ] [url] [BibTeX]S. Bolognani, G. Cavraro, R. Carli, S. Zampieri.

**A distributed feedback control strategy for optimal reactive power flow with voltage constraints.***Arxiv preprint*, 2013 [url] [BibTeX]E. Lovisari, F. Garin, S. Zampieri.

**Resistance-Based Performance Analysis of the Consensus Algoritm over Geometric Graphs.***SIAM Journal on Control and Optimization*, vol. 51(5), pp. 3918-3945, 2013 [pdf] [BibTeX]2012

G. Como, F. Fagnani, S. Zampieri.

**I sistemi multi-agente e gli algoritmi di consenso.***La matematica nella Società e nella Cultura: rivista della Unione Matematica Italiana. Serie I*, vol. 5(1), pp. 1--29, 2012 [BibTeX]F. Garin, S. Zampieri.

**Mean square performance of consensus-based distributed estimation over regular geometric graphs.***SIAM Journal on Control and Optimization*, vol. 50(1), pp. 306–333, 2012 [pdf] [BibTeX]E. Lovisari, S. Zampieri.

**Performance metrics in the average consensus problem: a tutorial.***Annual Reviews in Control*, 2012 [pdf] [BibTeX]2011

S. Del Favero, S. Zampieri.

**A majorization inequality and its application to distributed Kalman filtering.***Automatica*, vol. 47pp. 2438-2443, 2011 [pdf] [BibTeX]A. Chiuso, F. Fagnani, L. Schenato, S. Zampieri.

**Gossip algorithms for simultaneous distributed estimation and classification in sensor networks.***IEEE Journal of Selected Topics in Signal Processing*, vol. 5(4), pp. 691 - 706, 2011 [pdf] [BibTeX]R. Carli, A. Chiuso, L. Schenato, S. Zampieri.

**Optimal Synchronization for Networks of Noisy Double Integrators.***IEEE Transactions on Automatic Control*, vol. 56(5), pp. 1146-1152, 2011 [pdf] [BibTeX]2010

G. Como, F. Fagnani, S. Zampieri.

**Anytime reliable transmission of continuous information through digital noisy channels.***Siam Journal on Control and Optimization*, vol. 48(6), pp. 3903--3924, 2010 [pdf] [BibTeX]R. Carli, P. Frasca, F. Fagnani, S. Zampieri.

**Gossip consensus algorithms via quantized communication.***Automatica*, vol. 46pp. 70-80, 2010 [pdf] [BibTeX]R. Carli, F. Bullo, S. Zampieri.

**Quantized Average Consensus via Dynamic Coding/Decoding Schemes.***International Journal of Robust and Nonlinear Control*, vol. 20pp. 156--175, 2010 [pdf] [BibTeX]2009

P. Frasca, R. Carli, F. Fagnani, S. Zampieri.

**Average consensus on networks with quantized communication.***International Journal of Robust and Nonlinear Control*, vol. 19pp. 1787 - 1816, 2009 [pdf] [BibTeX]F. Fagnani, S. Zampieri.

**Average Consensus with Packet Drop Communication.***Siam Journal on Control and Optimization*, vol. 48pp. 102--133, 2009 [pdf] [BibTeX]J. Delvenne, R. Carli, S. Zampieri.

**Optimal strategies in the Average Consensus Problem.***Systems & Control Letters*, vol. 58pp. 759--765, 2009 [pdf] [BibTeX]2008

R. Carli, F. Fagnani, A. Speranzon, S. Zampieri.

**Communication constraints in the average consensus problem.***Automatica*, vol. 44pp. 671--684, 2008 [pdf] [BibTeX]R. Carli, A. Chiuso, L. Schenato, S. Zampieri.

**Distributed Kalman filtering based on consensus strategies.***IEEE Journal on Selected Areas in Communications*, vol. 26pp. 622--633, 2008 [pdf] [BibTeX]F. Fagnani, S. Zampieri.

**Randomized consensus algorithms over large scale networks.***IEEE Journal on Selected Areas in Communications*, vol. 26pp. 634--649, 2008 [pdf] [BibTeX]2007

G. Nair, F. Fagnani, S. Zampieri, R. Evans.

**Feedback control under data rate constraints: an overview.***Proceedings of The IEEE*, vol. 95pp. 108--137, 2007 [BibTeX]L. Schenato, S. Zampieri.

**On rendezvous control with randomly switching communication graphs.***Networks and Heterogeneous Media*, vol. 2pp. 627--646, 2007 [pdf] [BibTeX]2005

F. Fagnani, S. Zampieri.

**A symbolic dynamics approach to performance analysis of quantized feedback systems: the scalar case.***Siam Journal on Control and Optimization*, vol. 44pp. 816--866, 2005 [pdf] [BibTeX]2004

F. Fagnani, S. Zampieri.

**Minimal and systematic convolutional codes over finite Abelian groups.***Linear Algebra and Its Applications*, vol. 378pp. 31--59, 2004 [BibTeX]F. Fagnani, S. Zampieri.

**Quantized stabilization of linear systems: complexity versus performances.***IEEE Transactions on Automatic Control*, vol. 49pp. 1534--1548, 2004 [pdf] [BibTeX]2003

F. Fagnani, S. Zampieri.

**Stability analysis and synthesis for scalar linear systems with a quantized feedback.***IEEE Transactions on Automatic Control*, vol. 48pp. 1569--1584, 2003 [BibTeX]2002

P. Vettori, S. Zampieri.

**Module theoretic approach to controllability of convolutional systems.***Linear Algebra and Its Applications*, vol. 352pp. 739--759, 2002 [BibTeX]S. Zampieri.

**Module theoretic approach to controllability of convolutional systems.***Linear Algebra and Its Applications*, vol. 352pp. 739--759, 2002 [BibTeX]2001

P. Vettori, S. Zampieri.

**Some results on systems described by convolutional equations.***IEEE Transactions on Automatic Control*, vol. 46pp. 793--797, 2001 [BibTeX]F. Fagnani, S. Zampieri.

**System theoretic properties of convolutional codes over rings.***IEEE Transactions on Information Theory*, vol. 47pp. 2256--2274, 2001 [BibTeX]H. Luerssen, P. Vettori, S. Zampieri.

**The algebraic structure of delay-differential systems: A behavioral perspective.***Kybernetika*, vol. 37pp. 397--426, 2001 [BibTeX]2000

P. Vettori, S. Zampieri.

**Controllability of systems described by convolutional and delay-differential equations.***Siam Journal on Control and Optimization*, vol. 39pp. 728--756, 2000 [BibTeX]A. Ferrante, S. Zampieri.

**Linear Quadratic Optimization for Systems in the Behavioral Approach.***Siam Journal on Control and Optimization*, vol. 39pp. 159-178, 2000 [BibTeX]1999

F. Fagnani, S. Zampieri.

**Minimal syndrome formers for group codes.***IEEE Transactions on Information Theory*, vol. 45pp. 3--31, 1999 [BibTeX]M. Napoli, S. Zampieri.

**Two-Dimensional Proper Rational Matrices and Causal Input/Output Representations of Two-Dimensional Behavioral Systems.***Siam Journal on Control and Optimization*, vol. 37pp. 1538--1552, 1999 [BibTeX]1998

S. Zampieri.

**Causal input/output representation of 2D systems in the behavioral approach.***Siam Journal on Control and Optimization*, vol. 36pp. 1133--1146, 1998 [BibTeX]F. Fagnani, S. Zampieri.

**Parametrized linear systems in the behavioral approach.**vol. 8pp. 135--138, 1998 [BibTeX]1997

S. Zampieri.

**A behavioral approach to identifiability of 2D scalar systems.***Automatica*, vol. 33pp. 49--62, 1997 [BibTeX]F. Fagnani, S. Zampieri.

**Canonical kernel representations for behaviors over finite abelian groups.***Systems & Control Letters*, vol. 33pp. 271--282, 1997 [BibTeX]F. Fagnani, S. Zampieri.

**Classification problems for shifts on modules over a principal ideal domain.***Transactions of The American Mathematical Society*, vol. 349pp. 1993--2006, 1997 [BibTeX]1996

F. Fagnani, S. Zampieri.

**Dynamical systems and convolutional codes over finite Abelian groups.***IEEE Transactions on Information Theory*, vol. 42pp. 1892--1912, 1996 [BibTeX]**Conference**[ all BibTeX ]

2016

G. Cavraro, S. Bolognani, R. Carli, S. Zampieri.

**The value of communication in the voltage regulation problem.***Decision and Control (CDC), 2016 IEEE 55th Conference on*, pp. 5781-5786, 2016 [pdf] [BibTeX]2015

G. Bianchin, F. Pasqualetti, S. Zampieri.

**The Role of Diameter in the Controllability of Complex Networks.***IEEE Conf. on Decision and Control*, 2015 [BibTeX]2014

G. Cavraro, R. Carli, S. Zampieri.

**A distributed control algorithm for the minimization of the power generation cost in smart micro-grid.***Conference on Decision and Control (CDC14)*, 2014 [pdf] [BibTeX]G. Cavraro, R. Carli, S. Zampieri.

**A Multi-Agents Control Approach for the Optimal Power Flow Problem.***The 21st International Symposium on Mathematical Theory of Networks and Systems (MTNS 2014)*, 2014 [pdf] [BibTeX]F. Pasqualetti, S. Zampieri, F. Bullo.

**Controllability Metrics and Algorithms for Complex Networks.***IEEE American Control Conference*, 2014 [BibTeX]G. Como, F. Fagnani, S. Zampieri.

**Distributed Learning in Potential Games Over Large-Scale Networks.***The 21st International Symposium on Mathematical Theory of Networks and Systems (MTNS 2014)*, 2014 [BibTeX]B. Gentile, J.W. Simpson-Porco, F. Dörfler, S. Zampieri, F. Bullo.

**On Reactive Power Flow and Voltage Stability in Microgrids.***IEEE American Control Conference*, 2014 [BibTeX]2013

S. Bolognani, R. Carli, G. Cavraro, S. Zampieri.

**A distributed control strategy for optimal reactive power flow with power and voltage constraints.***IEEE SmartGridComm 2013 Symposium*, 2013 [pdf] [BibTeX]S. Bolognani, R. Carli, G. Cavraro, S. Zampieri.

**A distributed control strategy for optimal reactive power flow with power constraints.***Conference on Decision and Control (CDC13)*, 2013 [pdf] [BibTeX]2012

S. Bolognani, R. Carli, E. Lovisari, S. Zampieri.

**A randomized linear algorithm for clock synchronization in multi-agent systems.***Proceedings of CDC 2012*, 2012 [pdf] [BibTeX]D. Borra, E. Lovisari, R. Carli, F. Fagnani, S. Zampieri.

**Autonomous Calibration Algorithms for Networks of Cameras.***Proceedings of American Control Conference 2012, ACC'12*, 2012 [pdf] [BibTeX]S. Bolognani, S. Zampieri.

**Convergence analysis of a distributed voltage support strategy for optimal reactive power compensation.***Proceedings of NECSYS 2012*, 2012 [ abstract ] [pdf] [BibTeX]S. Bolognani, A. Carron, A. Di Vittorio, D. Romeres, L. Schenato, S. Zampieri.

**Distributed multi-hop reactive power compensation in smart micro-grids subject to saturation constraints.***Conference on Decision and Control*,*Proceedings of CDC 2012*, 2012 [ abstract ] [pdf] [BibTeX]S. Bolognani, G. Cavraro, S. Zampieri.

**Performance analysis of a distributed algorithm for dynamic reactive power compensation.***Conference on Decision and Control (CDC12)*, 2012 [BibTeX]2011

S. Bolognani, S. Zampieri.

**A gossip-like distributed optimization algorithm for reactive power flow control.***Proceedings of IFAC WC 2011*, 2011 [ abstract ] [pdf] [BibTeX]R. Carli, E. D'Elia, S. Zampieri.

**A PI controller based on asymmetric gossip communications for clocks synchronization in wireless sensors networks.***CDC-ECC*, 2011 [BibTeX]S. Bolognani, S. Zampieri.

**Distributed control for optimal reactive power compensation in smart microgrids.***50th IEEE Conference on Decision and Control and European Control Conference (CDC-ECC 2011)*, 2011 [ abstract ] [pdf] [BibTeX]A. Chiuso, F. Fagnani, L. Schenato, S. Zampieri.

**Gossip algorithms for distributed ranking.***Proc. of the American Control Conference (ACC11)*, 2011 [pdf] [BibTeX]2010

E. Lovisari, F. Garin, S. Zampieri.

**A resistance-based approach to consensus algorithm performance analysis.***MTNS 2010*, 2010 [pdf] [BibTeX]E. Lovisari, F. Garin, S. Zampieri.

**A resistance-based approach to performance analysis of the consensus algorithm.***Conference on Decision and Control CDC 2010*, 2010 [pdf] [BibTeX]S. Bolognani, S. Zampieri.

**Distributed Quasi-Newton Method and its Application to the Optimal Reactive Power Flow Problem.***Proceedings of NECSYS 2010*, 2010 [ abstract ] [pdf] [BibTeX]R. Carli, S. Zampieri.

**Networked clock synchronization based on second order linear consensus algorithms.***IEEE Conference on Decision and Control*, 2010 [pdf] [BibTeX]E. Lovisari, S. Zampieri.

**Performance metrics in the consensus problem: a Survey.***4th IFAC Symposium on System, Structure and Control*, 2010 [pdf] [BibTeX]A. Chiuso, F. Fagnani, L. Schenato, S. Zampieri.

**Simultaneous distributed estimation and classification in sensor networks.***IFAC Workshop on Distributed Estimation and Control in Networked Systems (NecSys'10) (to appear)*, 2010 [pdf] [BibTeX]2009

S. Bolognani, R. Carli, S. Zampieri.

**A PI consensus controller with gossip communication for clock synchronization in wireless sensors networks.***Proceedings of the IFAC Workshop on Estimation and Control of Networked Systems (NecSys09)*, 2009 [ abstract ] [pdf] [BibTeX]G. Baldan, S. Zampieri.

**An efficient quantization algorithm for solving average-consensus problems.***Proceedings of the European Control Conference*, 2009 [pdf] [BibTeX]S. Del Favero, S. Zampieri.

**Distributed Estimation through Randomized Gossip Kalman Filter.***Proceedings of the 48th IEEE Conference on Decision and Control*, 2009 [pdf] [BibTeX]F. Garin, S. Zampieri.

**Performance of consensus algorithms in large-scale distributed estimation.***European Control Conference*, 2009 [pdf] [BibTeX]R. Carli, F. Garin, S. Zampieri.

**Quadratic indices for the analysis of consensus algorithms.***Proceedings of Information Theory and Applications Workshop*, pp. 96--104, 2009 [pdf] [BibTeX]S. Ermon, L. Schenato, S. Zampieri.

**Trust estimation in autonomic networks: a statistical mechanics approach.***IEEE Conference on Decision and Control (CDC 09)*, 2009 [pdf] [BibTeX]2008

R. Carli, A. Chiuso, L. Schenato, S. Zampieri.

**A PI Consensus Controller for Networked Clocks Synchronization.***IFAC World Congress on Automatic Control (IFAC 08)*, 2008 [pdf] [BibTeX]R. Carli, F. Fagnani, P. Frasca, S. Zampieri.

**A probabilistic analysis of the average consensus algorithm with quantized communication.***IFAC World Conference*, pp. 8062-8067, 2008 [BibTeX]F. Fagnani, S. Zampieri.

**Asymmetric Randomized Gossip Algorithms for Consensus.***IFAC World Conference*, pp. 9052-9056, 2008 [pdf] [BibTeX]P. Frasca, R. Carli, F. Fagnani, S. Zampieri.

**Average consensus by gossip algorithms with quantized communication.***47th IEEE Conference on Decision and Control*, pp. 4831-4836, 2008 [BibTeX]R. Carli, F. Bullo, S. Zampieri.

**Quantized average consensus via dynamic coding/decoding schemes.***47th IEEE Conference Decision and Control*, pp. 4916-4921, 2008 [BibTeX]R. Carli, F. Fagnani, P. Frasca, S. Zampieri.

**The quantization error in the average consensus problem.***16th Mediterranean Conference on Control and Automation*, pp. 1592-1597, 2008 [BibTeX]2007

R. Carli, F. Fagnani, P. Frasca, T. Taylor, S. Zampieri.

**Average consensus on networks with transmission noise or quantization.***European Control Conference*, 2007 [BibTeX]R. Carli, A. Chiuso, L. Schenato, S. Zampieri.

**Consensus algorithm design for distributed estimation.***Workshop on Networked Control Systems Tolerant to Foults (NeCST 07)*, 2007 [pdf] [BibTeX]R. Carli, A. Chiuso, L. Schenato, S. Zampieri.

**Distributed Kalman filtering using consensus strategies.***IEEE Conference on Decision and Control (CDC 07)*, 2007 [pdf] [BibTeX]R. Carli, F. Fagnani, P. Frasca, S. Zampieri.

**Efficient quantized techniques for consensus algorithms.***NeCST Workshop*, 2007 [BibTeX]J. Delvenne, R. Carli, S. Zampieri.

**Fast strategies in the consensus problem.***NeCST Workshop*, 2007 [BibTeX]J. Delvenne, R. Carli, S. Zampieri.

**Optimal strategies in the average consensus problem.***CDC Conference*, pp. 2498-2503, 2007 [BibTeX]F. Fagnani, S. Zampieri.

**Randomized consensus algorithms over large scale networks.***Information Theory and Applications Workshop*, pp. 150--159, 2007 [BibTeX]2006

F. Fagnani, S. Zampieri.

**Average consensus with packet drop communication.***CDC Conference*, pp. 1007-1012, 2006 [BibTeX]R. Carli, F. Fagnani, A. Speranzon, S. Zampieri.

**Communication constraints in coordinated consensus problem.***American Control Conference*, 2006 [BibTeX]R. Carli, S. Zampieri.

**Logarithmic quantization in the average consensus problem: a stability analysis.***Proc. of Int. Workshop on Networked Control Systems: Tolerant to Faults*, 2006 [BibTeX]L. Schenato, S. Zampieri.

**On the performance of randomized communication topologies for rendezvous control of multiple vehicles.***Conference on Mathematical Theory of Networks and Systems (MTNS 06)*, 2006 [pdf] [BibTeX]R. Carli, S. Zampieri.

**On the state agreement with quantized information.***MTNS Conference*, 2006 [BibTeX]L. Schenato, S. Zampieri.

**Optimal rendezvous control for randomized communication topologies.***IEEE Conference on Decision and Control (CDC 06)*, 2006 [pdf] [BibTeX]2005

K. Johansson, A. Speranzon, S. Zampieri.

**On quantization and communication topologies in multi-vehicle rendezvous.***IFAC World Conference*, 2005 [BibTeX]R. Carli, S. Zampieri.

**Optimal Control with Finite Feedback Data Rate.***13th Mediterranean Conference on Control and Automation*, 2005 [BibTeX]R. Carli, F. Fagnani, M. Focoso, A. Speranzon, S. Zampieri.

**Symmetries in the Coordinated Consensus Problem.***NESC: Networked Embedded Sensing and Control*, 2005 [BibTeX]2004

F. Fagnani, K. Johansson, A. Speranzon, S. Zampieri.

**On Multi-Vehicle Rendezvous Under Quantized Communication.***Mathematical theory of networks and systems conference*, 2004 [BibTeX]2003

F. Fagnani, S. Zampieri.

**Nested strategies for the quantized feedback stabilization.***European Control Conference*, pp. 1--6, 2003 [BibTeX]F. Fagnani, S. Zampieri.

**Performance evaluations of quantized stabilizers.***Proc. of CDC Conf.*, pp. 1897--1901, 2003 [BibTeX]F. Fagnani, S. Zampieri.

**System theoretic approach to geometrically uniform maps.***Proc. of IEEE Int. Symposium on Information Theory*, pp. 42, 2003 [BibTeX]2002

F. Fagnani, B. Scanavino, S. Zampieri, R. Garello.

**Some results on combined parallel concatenated schemes with trellis-coded modulation.***Proc. of IEEE Int. Symposium on Information Theory*, pp. 444, 2002 [BibTeX]F. Fagnani, S. Zampieri.

**Stabilizing quantized feedback with minimal information flow: the scalar case.***Proc. of MTNS Conference*, pp. 1--6, 2002 [BibTeX]2001

P. Vettori, S. Zampieri.

**Controllability of systems described by convolutional or delay-differential equations.***Proc. of CDC Conf.*, pp. 973--978, 2001 [BibTeX]F. Fagnani, S. Zampieri.

**Stability Analysis and Synthesis for Scalar Linear Systems with a Quantized Feedback.**pp. 2204--2210, 2001 [BibTeX]E. Fornasini, S. Zampieri.

**The dominant global state in the asymptotic analysis of 2D systems.***Proc. of Conf. on Advances in Communication and Control*, pp. 799--810, 2001 [pdf] [BibTeX]2000

P. Vettori, S. Zampieri.

**Algebraic approach to spectral controllability analysis of convolutional systems.***Proc. of MTNS Conf.*, pp. 1-6, 2000 [BibTeX]P. Vettori, S. Zampieri.

**Controllability and controllable subsystems for convolutional behaviors.***Proc. of IFAC Workshop on Linear Time Delay Systems*, pp. 208--212, 2000 [BibTeX]F. Fagnani, S. Zampieri.

**Minimal and systematic convolutional codes over finite Abelian groups.***Proc. of IEEE Int. Symposium on Information Theory*, pp. 365, 2000 [BibTeX]1999

P. Vettori, S. Zampieri.

**Controllability of delay-differential systems in the behavioral approach.***Proc. of CDC Conf.*, pp. 233--238, 1999 [BibTeX]**Other**[ all BibTeX ]

2013

S. Bolognani, G. Cavraro, S. Zampieri.

*A distributed feedback control approach to the optimal reactive power flow problem.**Control of Cyber-Physical Systems*, vol. 449pp. 259-277, 2013 [BibTeX]2011

S. Bittanti, A. Cenedese, S. Zampieri.

**Preprints of the 18th IFAC World Congress.**2011 [BibTeX]2009

A. Chiuso, L. Fortuna, M. Frasca, A. Rizzo, L. Schenato, S. Zampieri.

**Modeling Estimamtion and Control of Networked Complex Systems.**2009 [BibTeX]A. Cenedese, K. Johansson, A. Ozdaglar, S. Zampieri.

**Proceedings of the 1st Workshop on Estimation and Control of Networked Systems (NECSYS09).**2009 [BibTeX]2007

R. Carli, S. Zampieri.

**Efficient quantization in the average consensus problem.***Advances in Control Theory and Applications.*vol. 3532007 [BibTeX]2006

P. Vettori, S. Zampieri.

**Stability and stabilizability of delay-differential systems.***Constructive algebra and systems theory.*pp. 307--322, 2006 [BibTeX]2000

F. Fagnani, S. Zampieri.

**Convolutional codes over finitely generated Abelian groups: some basic results.***Codes Systems and Graphical Models.*vol. 123pp. 327--346, 2000 [BibTeX]1999

F. Fagnani, S. Zampieri.

**Systems theory over finitely generated Abelian groups.***System Theory: Modelling Analysis and Control.*pp. 55--62, 1999 [BibTeX]S. Zampieri.

**Some results and open problems on delay differential systems.***The mathematics of systems and control: From intelligent control to behavioral systems.*pp. 231--238, 1999 [BibTeX]