# Sanjay Lall

- Professor of Electrical Engineering
- Professor of Aeronautics and Astronautics
- Information Systems Laboratory
- Stanford University

### 2014

- A Theory of Sufficient Statistics for Teams. J. Wu and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 2628--2635, 2014.
- An Algebraic Approach to the Control of Decentralized Systems. L. Lessard and S. Lall. IEEE Transactions on Control of Networked Systems, V. 1, No. 4, p. 308--317, 2014.
- Explicit Solutions to Separable Problems in Optimal Cooperative Control. J. H. Kim and S. Lall. To appear, IEEE Transactions on Automatic Control, 2014.
- Sufficient Statistics for Multi-Agent Decision Problems. J. Wu and S. Lall. Allerton Conference on Communication, Control and Computing, 2014.
- Optimal Controller Synthesis for Decentralized Systems over Graphs via Spectral Factorization. J. Swigart and S. Lall. IEEE Transactions on Automatic Control, V. 59, No. 9, p. 2311--2323, 2014.
- Dynamical and Voltage Profile Stability of Inverter-Connected Distributed Power Generation. C. C. Chang, D. Gorinevsky and S. Lall. IEEE Transactions on Smart Grid, V. 5, No. 4, p. 2093--2105, 2014.
- Optimal Control of Two-Player Systems with Output Feedback. L. Lessard and S. Lall. To appear, IEEE Transactions on Automatic Control, 2014.

### 2013

- Convexity of Decentralized Controller Synthesis. L. Lessard and S. Lall. Submitted to IEEE Transactions on Automatic Control, 2013.
- Polynomial Level-Set Method for Polynomial System Reachable Set Estimation. T. C. Wang, S. Lall and M. West. IEEE Transactions on Automatic Control, V. 58, No. 10, p. 2508--2521, 2013.

### 2012

- Optimal Cooperative Control of Dynamically Decoupled Systems. J. H. Kim, S. Lall and C. K. Ryoo. Proceedings of the IEEE Conference on Decision and Control, p. 4852--4857, 2012.
- Frequency Stability for Distributed Generation Connected through Grid-Tie Inverter. E. Glover, C. C. Chang, D. Gorinevsky and S. Lall. IEEE International Conference on Power System Technology, p. 1--6, 2012.
- Separable Optimal Cooperative Control Problems. J. H. Kim and S. Lall. Proceedings of the American Control Conference, p. 5868--5873, 2012.
- Optimal Controller Synthesis for the Decentralized Two-Player Problem with Output Feedback. Laurent Lessard and Sanjay Lall. Proceedings of the American Control Conference, p. 6314--6321, 2012.
- Polynomial Level-Set Method for Attractor Estimation. T. C. Wang, S. Lall and M. West. Journal of the Franklin Institute, V. 349, p. 2783--2798, 2012.
- Networked Markov Decision Processes with Delays. S. Adlakha, S. Lall and A. Goldsmith. IEEE Transactions on Automatic Control, V. 57, No. 4, p. 1013--1018, 2012.
- Decentralized Control via Groebner Bases and Variable Elimination. H. S. Shin and S. Lall. IEEE Transactions on Automatic Control, V. 57, No. 4, p. 1030--1035, 2012.

### 2011

- Coding Strategies for a Class of Decentralized Control Problems with Limited Communication. R. Mirghaderi, S. Lall and A. Goldsmith. Proceedings of the IEEE Conference on Decision and Control, p. 4809--4816, 2011.
- Synthesis for Optimal Two-Player Decentralized Control over TCP Erasure Channels with State Feedback. C. C. Chang and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 3824--3829, 2011.
- A Unifying Condition for Separable Two Player Optimal Control Problems. J. H. Kim and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 3818--3823, 2011.
- A State-Space Solution to the Two-Player Decentralized Optimal Control Problem. L. Lessard and S. Lall. Allerton Conference on Communication, Control, and Computing, p. 1559--1564, 2011.
- Optimal Controller Synthesis for a Decentralized Two-Player System with Partial Output Feedback. J. Swigart and S. Lall. Proceedings of the American Control Conference, p. 317--327, 2011.
- An Explicit Solution for Optimal Two-Player Decentralized Control over a TCP Erasure Channel with State Feedback. C. C. Chang and S. Lall. Proceedings of the American Control Conference, p. 4717--4722, 2011.
- Quadratic Invariance is Necessary and Sufficient for Convexity. L. Lessard and S. Lall. Proceedings of the American Control Conference, p. 5360--5362, 2011.
- Decentralized Robust Control via Quadratically Invariant Model Projection. J. H. Kim, S. Lall, W. Merrill and A. Behbahani. Proceedings of the American Control Conference, p. 527--532, 2011.
- Polynomial Method for PLL Controller Optimization. T. C. Wang, S. Lall and T. Y. Chiou. Sensors, V. 11, No. 7, p. 6575--6592, 2011.
- Decentralized Control. J. Swigart and S. Lall. Networked Control Systems. Lecture Notes in Control and Information Sciences, Volume 406, p. 179--201, 2011.

### 2010

- An Approximate Dynamic Programming Approach to the Dynamic Traveling Repairperson Problem. H. S. Shin and S. Lall. Proceedings of the IEEE Conference on Decision Control, p. 2286--2291, 2010.
- Optimal Synthesis and Explicit State-Space Solution for a Decentralized Two-Player Linear-Quadratic Regulator. J. Swigart and S. Lall. Proceedings of the IEEE Conference on Decision Control, p. 132--137, 2010.
- A Computational Approach for Decentralized Control of Turbine Engines. J. H. Kim, S. Lall, W. Merrill and A. Behbahani. Proceedings of the IEEE Conference on Decision Control, p. 346--351, 2010.
- An Algebraic Framework for Quadratic Invariance. L. Lessard and S. Lall. Proceedings of the IEEE Conference on Decision Control, p. 2698--2703, 2010.
- Hat Guessing Games and the Use of Coding for Decentralized Control. R, Mirghaderi, S. Adlakha, S. Lall and A. Goldsmith. Proceedings of the IEEE Conference on Decision Control, p. 979--985, 2010.
- A Dynamic Programming Algorithm for Decentralized Markov Decision Processes with a Broadcast Structure. J. Wu and S. Lall. Proceedings of the IEEE Conference on Decision Control, p. 6143--6148, 2010.
- Distributed Engine Control Design Considerations. W. Merrill, J. H. Kim, S. Lall, S. Majerus, D. Howe and A. Behbahani. Proceedings of the AIAA/ASME/SAE/ASEE Joint Propulsion Conference (online/DVD format only), 2010.
- An Explicit Dynamic Programming Solution for a Decentralized Two-Player Optimal Linear-Quadratic Regulator. J. Swigart and S. Lall. Proceedings of the International Symposium on Mathematical Theory of Networks and Systems, p. 1443-1447, 2010.
- An Explicit State-Space Solution for a Decentralized Two-Player Optimal Linear-Quadratic Regulator. J. Swigart and S. Lall. Proceedings of the American Control Conference, p. 6385--6390, 2010.
- Nonlinear Youla Parametrization and Information Constraints for Decentralized Control. J. Wu and S. Lall. Proceedings of the American Control Conference, p. 5614--5619, 2010.
- Internal Quadratic Invariance and Decentralized Control. L. Lessard and S. Lall. Proceedings of the American Control Conference, p. 5596--5601, 2010.
- Optimal Decentralized Control of Linear Systems via Groebner Bases and Variable Elimination. H. S. Shin and S. Lall. Proceedings of the American Control Conference, p. 5608--5613, 2010.
- Fast Algorithms for Resource Allocation in Wireless Cellular Networks. R. Madan, S. P. Boyd and S. Lall. EEE/ACM Transactions on Networking, V. 18, No. 3, p. 973--984, 2010.
- A Constant Factor Approximation Algorithm for Event-Based Sampling. R. Cogill, S. Lall and J. P. Hespanha. Lecture Notes in Control and Information Sciences, Volume 398. Perspectives in Mathematical System Theory, Control, and Signal Processing. A Festschrift in Honor of Yutaka Yamamoto on the Occasion of his 60th Birthday, p. 51--60, 2010.
- An Exact Dynamic Programming Solution for a Decentralized Two-Player Markov Decision Process. J. Wu and S. Lall. Proceedings of the AAAI Spring Symposium Series, p. 112--119, 2010.
- Convexity of Optimal Control over Networks with Delays and Arbitrary Topology. M. Rotkowitz, R. Cogill and S. Lall. International Journal of Systems, Control and Communications, V. 2, No. 1--3, p. 30--54, 2010.

### 2009

- A Graph-Theoretic Approach to Distributed Control over Networks. J. Swigart and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 5409--5414, 2009.
- Reduction of Decentralized Control Problems to Tractable Representations. L. Lessard and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 1621--1626, 2009.
- Decentralized Team Decision via Coding. S. Adlakha, S. R. Mirghaderi, S. Lall and A. Goldsmith. Proceedings of the Allerton Conference on Communication, Control and Computing, p. 151--151, 2009.
- Model reduction, optimal prediction, and the Mori-Zwanzig representation of Markov chains. C. L. Beck, S. Lall, T. Liang and M. West. Proceedings of the IEEE Conference on Decision and Control, p. 3282--3287, 2009.
- Time-Delayed Decentralized H-Infinity Controller Design for Civil Structures: a Homotopy Method Through Linear Matrix Inequalities. Y. Wang, K. H. Law and S. Lall. Proceedings of the American Control Conference, p. 4549--4556, 2009.
- Spectral Factorization of Non-Classical Information Structures Under Feedback. J. Swigart and S. Lall. Proceedings of the American Control Conference, p. 457--462, 2009.
- Analysis of Polynomial Systems with Time Delays via the Sum of Squares Decomposition. A. Papachristodoulou, M. Peet and S. Lall. IEEE Transactions on Automatic Control, V. 54, No. 5, p. 1058--1064, 2009.
- Positive Forms and Stability of Linear Time-Delay Systems. M. Peet, A. Papachristodoulou and S. Lall. SIAM Journal on Control and Optimization, V. 47, No. 6, p. 3237-3258, 2009.

### 2008

- A Bayesian Network Approach to Control of Networked Markov Decision Processes. S. Adlakha, S. Lall and A. Goldsmith. Proceedings of the Allerton Conference on Communication, Control, and Computing, p. 446--451, 2008.
- Experimental validation of single-iteration multigrid wavefront reconstruction at the Palomar Observatory. L. Lessard, D. MacMynowski, M. West, A. Bouchez and S. Lall. Optics Letters, V. 33, No. 18, 2008.
- Testing Static Equilibrium for Legged Robots. T. Bretl and S. Lall. IEEE Transactions on Robotics, V. 24, No. 4, p. 794--807, 2008.
- Warm-started Wavefront Reconstruction for Adaptive Optics. L. Lessard, M. West, D. MacMynowski and S. Lall. Journal of the Optical Society of America A, V. 25, No. 5, p. 1147--1155, 2008.
- Stochastic Multiscale Approaches to Consensus Problems. J. H. Kim, M. West, S. Lall, E. Scholte and A. Banaszuk. Proceedings of the IEEE Conference on Decision and Control, p. 5551--5557, 2008.
- Structured Semidefinite Programs for the Control of Symmetric Systems. R. Cogill, S. Lall and P. A. Parrilo. Automatica, V. 44, No. 5, p. 1411--1417, 2008.
- Dynamic Programming with Non-Classical Information Structures. J. Swigart and S. Lall. Mathematical Theory of Networks and Systems (online/DVD only), 2008.
- Nonlinear Phase-Locked Loop Design using Semidefinite Programming. T. C. Wang, T. Y. Chiou and S. Lall. Proceedings of the Mediterranean Conference on Control and Automation, p. 1640--1645, 2008.
- Information State for Markov Decision Processes with Network Delays. S. Adlakha, S. Lall and A. Goldsmith. Proceedings of the IEEE Conference on Decision and Control, p. 3840--3847, 2008.

### 2007

- Optimal Control of Distributed Markov Decision Processes with Network Delays. S. Adlakha, R. Madan, S. Lall and A. Goldsmith. Proceedings of the IEEE Conference on Decision and Control, p. 3308--3314, 2007.
- Modeling and Optimization of Transmission Schemes in Energy Constrained Wireless Sensor Networks. R. Madan, S. Cui, S. Lall and A. J. Goldsmith. IEEE/ACM Transactions on Networking, V. 15, No. 6, p. 1359--1372, 2007.
- Cross-layer Energy and Delay Optimization in Small-scale Sensor Networks. S. Cui, R. Madan, A. J. Goldsmith and S. Lall. IEEE Transactions on Wireless Communications, V. 6, No. 10, p. 3688--3699, 2007.
- A Constant Factor Approximation Algorithm for Event-Based Sampling. R. Cogill, S. Lall and J. Hespanha. Proceedings of the American Control Conference, p. 305--311, 2007.
- Global Stability Analysis of a Nonlinear Model of Internet Congestion Control with Delay. M. Peet and S. Lall. IEEE Transactions on Automatic Control, V. 52, No. 3, p. 553--559, 2007.

### 2006

- Backlog Analysis of Maximal Matching Switching with Speedup. R. Cogill and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 1876--1881, 2006.
- Positive Forms and Stability of Linear Time-Delay Systems. M. Peet, A. Papachristodoulou and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 187--193, 2006.
- A Constant Factor Approximation Algorithm for Event-Based Sampling. R. Cogill, S. Lall and J. Hespanha. Proceedings of the Allerton Conference on Communication, Control and Computing, p. 1336--1342, 2006.
- Suboptimality Bounds in Stochastic Control: A Queueing Example. R. Cogill and S. Lall. Proceedings of the American Control Conference, p. 1642--1647, 2006.
- Degree bounds for polynomial verification of the matrix cube. B. D. Chen and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 4405--4410, 2006.
- Convexification of Optimal Decentralized Control Without a Stabilizing Controller. M. Rotkowitz and S. Lall. Proceedings of the International Symposium on Mathematical Theory of Networks and Systems (MTNS), p. 1496--1499, 2006.
- A Space-Time Diffusion Scheme for Peer-to-Peer Least-Squares Estimation. L. Xiao, S. Boyd and S. Lall. Proceedings of the International Conference on Information Processing in Sensor Networks (IPSN), p. 168--176, 2006.
- A Fast and Adaptive Test of Static Equilibrium for Legged Robots. T. Bretl and S. Lall. IEEE International Conference on Robotics and Automation (ICRA), p. 1109--1116, 2006.
- An Approximate Dynamic Programming Approach to Decentralized Control of Stochastic Systems. R. Cogill, M. Rotkowitz, B. Van Roy and S. Lall. Lecture Notes in Control and Information Sciences, Vol. 329. Control of Uncertain Systems: Modelling, Approximation, and Design, p. 243--256, 2006.
- Cross-Layer Design for Lifetime Maximization in Interference-Limited Wireless Sensor Networks. R. Madan, S. Cui, S. Lall and A. J. Goldsmith. IEEE Transactions on Wireless Communications, V. 5, No. 11, p. 3142--3152, 2006.
- An Approximation Algorithm for the Discrete Team Decision Problem. R. Cogill and S. Lall. SIAM Journal on Control and Optimization, V. 45, No. 4, p. 1359--1368, 2006.
- A Characterization of Convex Problems in Decentralized Control. M. Rotkowitz and S. Lall. IEEE Transactions on Automatic Control, V. 51, No. 2, p. 274--286, 2006.
- An Energy-Optimal Algorithm for Neighbor Discovery in Wireless Sensor Networks. R. Madan and S. Lall. ACM Journal on Mobile Networks and Applications (MONET), V. 11, No. 3, p. 317--326, 2006.
- Affine Controller Parameterization for Decentralized Control over Banach Spaces. M. Rotkowitz and S. Lall. IEEE Transactions on Automatic Control, V. 51, No. 9, p. 1497--1500, 2006.
- Discrete Variational Hamiltonian Mechanics. S. Lall and M. West. Journal of Physics A, V. 39, p. 5509--5519, 2006.
- Distributed Algorithms for Maximum Lifetime Routing in Wireless Sensor Networks. R. Madan and S. Lall. IEEE Transactions on Wireless Communications, V. 5, No. 8, p. 2185--2193, 2006.

### 2005

- Tractable fitting with convex polynomials via sum-of-squares. A. Magnani, S. Lall and S. Boyd. Proceedings of the IEEE Conference on Decision and Control, p. 1672--1677, 2005.
- Polynomial level-set methods for nonlinear dynamical systems analysis. T. Wang, S. Lall and M. West. Proceedings of the Allerton Conference on Communication, Control, and Computing, p. 640--649, 2005.
- A Distributed Algorithm with Linear Convergence for Maximum Lifetime Routing in Wireless Networks. R. Madan, Z.-Q. Luo and S. Lall. Proceedings of the Allerton Conference on Communication, Control, and Computing, p. 896--905, 2005.
- Decentralized Stochastic Decision Problems and Polynomial Optimization. R. Cogill and S. Lall. Proceedings of the American Control Conference, p. 2709--2714, 2005.
- Constructing Lyapunov-Krasovskii Functionals for Linear Time Delay Systems. A. Papachristodoulou, M. Peet and S. Lall. Proceedings of the American Control Conference, p. 2845--2850, 2005.
- Joint Routing, MAC, and Link layer Optimization in Sensor Networks with Energy Constraints. S. Cui, R. Madan, A. Goldsmith and S. Lall. Proceedings of the IEEE International Conference on Communications (ICC), p. 725--729, 2005.
- Energy-Delay Tradeoffs for Data Collection in TDMA-based Sensor Networks. S. Cui, R. Madan, A. Goldsmith and S. Lall. Proceedings of the IEEE International Conference on Communications (ICC), p. 3278--3284, 2005.
- A Scheme for Robust Distributed Sensor Fusion Based on Average Consensus. L. Xiao, S. Boyd and S. Lall. Proceedings of the International Conference on Information Processing in Sensor Networks (IPSN), p. 63--70, 2005.
- Mixed Integer-Linear Programming for Link Scheduling in Interference-Limited Networks. R. Madan, S. Cui, S. Lall and A. J. Goldsmith. Proceedings of Resource Allocation in Wireless Networks (RAWNET), p. 2.1, 2005.
- A Simple Condition for the Convexity of Optimal Control over Networks with Delays. M. Rotkowitz, R. Cogill and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 6686--6691, 2005.
- Multi-Step Motion Planning for Free-Climbing Robots. T. Bretl, S. Lall, J.-C. Latombe and S. Rock. Springer Tracts in Advanced Robotics, Volume 17, Algorithmic Foundations of Robotics, p. 59--74, 2005.
- Cross-Layer Design for Lifetime Maximization in Interference-Limited Wireless Sensor Networks. R. Madan, S. Cui, S. Lall and A. Goldsmith. Proceedings of IEEE Conference on Computer Communications (INFOCOM), p. 1964--1975, 2005.

### 2004

- A Distributed Algorithm for Maximum Lifetime Routing in Ad Hoc Wireless Networks. R. Madan and S. Lall. Proceedings of Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks (WiOpt), p. 412--413, 2004.
- Decentralized Control Subject to Communication and Propagation Delays. M. Rotkowitz and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 4990--4997, 2004.
- Distributed Algorithms for Maximum Lifetime Routing in Wireless Sensor Networks. R. Madan and S. Lall. Proceedings of the IEEE Global Telecommunications Conference (GLOBECOM), p. 748-753, 2004.
- Constructing Lyapunov Functions for Nonlinear Delay-Differential Equations using Semidefinite Programming. M. Peet and S. Lall. Proceedings of the IFAC Symposium on Nonlinear Control Systems (NOLCOS), p. 381--385, 2004.
- An Approximate Dynamic Programming Approach to Decentralized Control of Stochastic Systems. R. Cogill, M. Rotkowitz, B. Van Roy and S. Lall. Proceedings of Allerton Conference on Communication, Control, and Computing, p. 1040--1049, 2004.
- Control Design for Topology-Independent Stability of Interconnected Systems. R. Cogill and S. Lall. Proceedings of the American Control Conference, p. 3717--3722, 2004.
- On Global Stability of Internet Congestion Control. M. Peet and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 1035--1041, 2004.
- Topology Independent Controller Design for Networked Systems. R. Cogill and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 1788--1793, 2004.
- Decentralized Stochastic Decision Problems and Polynomial Optimization. R. Cogill and S. Lall. Proceedings of Allerton Conference on Communication, Control, and Computing, p. 1477--1485, 2004.
- Multi-Step Motion Planning for Free-Climbing Robots. T. Bretl, S. Lall, J.-C. Latombe and S. Rock. Proceedings of the International Workshop on the Algorithmic Foundations of Robotics (WAFR), p. 217--232, 2004.
- On Computation of Optimal Controllers Subject to Quadratically Invariant Sparsity Constraints. M. Rotkowitz and S. Lall. Proceedings of the American Control Conference, p. 5659--5664, 2004.
- Control of Distributed Discrete-Time Systems on Graphs. B.-D. Chen and S. Lall. Proceedings of the American Control Conference, p. 2251--2256, 2004.
- Cross-layer Energy Minimization in TDMA-based Sensor Networks. S. Cui, R. Madan, A. Goldsmith and S. Lall. Allerton Conference on Communication, Control, and Computing, p. 1891--1900, 2004.
- An Energy-Optimal Algorithm for Neighbor Discovery in Wireless Sensor Networks. R. Madan and S. Lall. Proceedings of Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks (WiOpt), p. 272--281, 2004.

### 2003

- Decentralized Control of Unstable Systems and Quadratically Invariant Information Constraints. M. Rotkowitz and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 2865--2871, 2003.
- On Structured Semidefinite Programs for the Control of Symmetric Systems. R. Cogill, S. Lall and P. A. Parrilo. Proceedings of the Allerton Conference on Communication, Control, and Computing, p. 1536--1545, 2003.
- Dissipation Inequalities for Distributed Systems on Graphs. B-D. Chen and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 3084--3090, 2003.
- Structure-Preserving Model Reduction for Mechanical Systems. S. Lall, P. Krysl and J. E. Marsden. Physica D, V. 184, No. 1--4, p. 304--318, 2003.
- Error Bounds for Balanced Model Reduction of Linear Time-Varying Systems. S. Lall and C. Beck. IEEE Transactions on Automatic Control, V. 48, No. 6, p. 946--956, 2003.
- Semidefinite Programming Relaxations and Algebraic Optimization in Control. P. A. Parrilo and S. Lall. European Journal of Control, V. 9, No. 2--3, p. 307--321, 2003.

### 1999 to 2002

- Decentralized Control Information Structures Preserved Under Feedback. M. Rotkowitz and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 569--575, 2002.
- A Subspace Approach to Balanced Truncation for Model Reduction of Nonlinear Control Systems. S. Lall, J. E. Marsden and S. Glavaski. International Journal of Robust and Nonlinear Control, V. 12, No. 6, p. 519--535, 2002.
- An LMI Solution to the Robust Synthesis Problem for Multi-Rate Sampled-Data Systems. S. Lall and G. Dullerud. Automatica, V. 37, No. 12, p. 1909--1922, 2001.
- Dimensional Model Reduction in Non-Linear Finite Element Dynamics of Solids and Structures. P. Krysl, S. Lall and J. E. Marsden. International Journal for Numerical Methods in Engineering, V. 51, No. 4, p. 479--504, 2001.
- Model Reduction of Complex Systems in the Linear-Fractional Framework. S. Lall and C. Beck. Proceedings of the IEEE Conference on Computer-Aided Control System Design, p. 34--39, 1999.
- Model Reduction for Analysis of Cascading Failures in Power Systems. P. A. Parrilo, S. Lall, F. Paganini, G. C. Verghese, B. C. Lesieutre and J. E. Marsden. Proceedings of the American Control Conference, p. 4208--4212, 1999.
- Empirical Model Reduction of Controlled Nonlinear Systems. S. Lall, J. E. Marsden and S. Glavaski. Proceedings of the IFAC World Congress, p. 473--478, 1999.
- A New Approach for Analysis and Synthesis of Time-Varying Systems. G. Dullerud and S. Lall. IEEE Transactions on Automatic Control, V. 44, No. 8, p. 1486--1497, 1999.
- Asynchronous Hybrid Systems with Jumps -- Analysis and Synthesis Methods. G. Dullerud and S. Lall. Systems and Control Letters, V. 37, No. 2, p. 61--69, 1999.

### 1996 to 1998

- Guaranteed Error Bounds for Model Reduction of Linear Time-Varying Systems. S. Lall, C. Beck and G. Dullerud. Proceedings of the American Control Conference, p. 634--638, 1998.
- Control of Spatially-Varying Distributed Systems. G. Dullerud, R. D'Andrea and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 1889--1893, 1998.
- Convex l_2 Synthesis for Multidimensional Systems. R. D'Andrea, G. Dullerud and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 1883--1888, 1998.
- Analysis and Synthesis Tools for Time-Varying Systems. G. Dullerud and S. Lall. Proceedings of the IEEE Conference on Decision and Control, p. 4545--4548, 1997.
- Localized Optimal Control of Spatiotemporal Chaos. R. Grigoriev, S. Lall and G. Dullerud. Proceedings of the International Symposium on Nonlinear Theory and its Applications, p. 1077--1080, 1997.
- H-infinity Synthesis for Multi-Rate Hybrid Systems. S. Lall and G. Dullerud. Proceedings of the IEEE Conference on Decision and Control, p. 2035--2040, 1997.
- H-infinity synthesis for hybrid systems with jumps. G. Dullerud and S. Lall. Proceedings of the American Control Conference, p. 1672--1677, 1997.

### 1993 to 1995

- Quasi-Decentralised Control. H. Utidjian, J. M. Maciejowski and S. Lall. Proceedings of the IFAC Conference on Large Scale Systems, p. 811--815, 1995.
- Riccati Differential Inequalities: Suboptimal H-infinity Controllers for Finite Horizon Time-Varying Systems. S. Lall and K. Glover. Proceedings of the IEEE Conference on Decision and Control, p. 955--960, 1995.
- Optimal Discretization of a Continuous-Time Controller. H. Utidjian, J. M. Maciejowski and S. Lall. Proceedings of the European Control Conference, p. 3665--3670, 1995.
- Robust Performance and Adaptation Using Receding Horizon H-infinity Control of Time Varying Systems. S. Lall and K. Glover. Proceedings of the American Control Conference, p. 2384--2389, 1995.
- Robust Control Synthesis in the Time Domain. S. Lall. Cambridge University, 1995.
- A Game Theoretic Approach to Moving Horizon Control. S. Lall and K. Glover. Advances in Model-Based Predictive Control, p. 131--144, 1994.
- Layout Reconstruction of Complex Silicon Chips. S. Blythe, B. Fraboni, S. Lall, H. Ahmed and U. de Riu. IEEE Journal of Solid State Circuits, V. 28, No. 2, p. 138--145, 1993.