Research Interests:
 
  • Control Theory: Stochastic control, Interaction of Information and Control, Decentralized control, Networked Control.
  • Information Theory: Multi-terminal information theory, Source coding, Information theory with feedback.
  • Probability theory and its applications

    • Preprints and recent work:
  • S. Yuksel and T. Başar. Stochastic Networked Control Systems: Stabilization and Optimization under Information Constraints. Systems & Control: Foundations and Applications Series, Birkhauser, Boston, MA (in production).
  • N. Saldi, T. Linder and S. Yuksel, "Randomized Quantization and Optimal Design with a Marginal Constraint", to appear in (ISIT'13).
  • G. Arslan, F. Demirkol and S. Yuksel, "On Games with Coupled Constraints" (pdf) (conference CDC'12).
  • S. Yuksel, "Design of Information Channels for Optimization and Stabilization in Networked Control", chapter in edited volume. Editors: B. Bernhardsson, G. Como, A. Rantzer, Springer, 2013 (preliminary version).
  • A. A. Zaidi, T. J. Oechtering, S. Yuksel, M. Skoglund, "Stabilization and Control over Gaussian Networks"chapter in edited volume. Editors: B. Bernhardsson, G. Como, A. Rantzer, Springer, 2013 (preliminary version).
  • A. Johnston and S. Yuksel, "Stochastic Stabilization of Partially Observed and Multi-Sensor Systems Driven by Gaussian Noise under Fixed-Rate Information Constraints", submitted (arXiv) (conference version CDC'12).
  • S. Yuksel, "Jointly Optimal LQG Quantization and Control Policies for Multi-Dimensional Linear Gaussian Sources", submitted (Allerton'12).
  • A. Mahajan, N. C. Martins, M Rotkowitz and S. Yuksel, "Information Structures in Optimal Decentralized Control", tutorial paper, CDC 2012.
  • S. Yuksel and T. Linder, "On Optimal Zero-Delay Quantization of Vector Markov Sources, CDC 2012 (pdf).
  • N. Sen, F. Alajaji, S. Yuksel, G. Como, "On the Multiple Access Channel with Asymmetric Noisy State Information at the Encoders" (arXiv) (ISIT 2012).
  • A. Ozcelikkale, S. Yuksel, H. M. Ozaktas "Unitary Precoding and Basis Dependency of MMSE Performance for Gaussian Erasure Channels" (arXiv).
  • A. A. Zaidi, S. Yuksel, T. J. Oechtering, M. Skoglund, "On the Tightness of Linear Policies for Stabilization of Linear Systems Over Gaussian Networks", submitted.
  • A. A. Zaidi, T. J. Oechtering, S. Yuksel, M. Skoglund, "Stabilization of Linear Systems Over Gaussian Networks", submitted.

    • Journal publications:
  • S. Yuksel, "On Optimal Causal Coding of Partially Observed Markov Sources in Single and Multi-Terminal Settings", IEEE Transactions on Information Theory, vol. 59, pp. 424-437, January 2013 (pdf) (arXiv).
  • S. Yuksel and S. P. Meyn, "Random-Time, State-Dependent Stochastic Drift for Markov Chains and Application to Stochastic Stabilization Over Erasure Channels", IEEE Transactions on Automatic Control, vol. 58, pp. 47 - 59, January 2013 (pdf) (arXiv).
  • W. Dai and S. Yuksel, "Observability of a Linear System under Sparsity Constraints", to appear in IEEE Transactions on Automatic Control (arXiv).
  • A. A. Zaidi, S. Yuksel, T. J. Oechtering, M. Skoglund, "On Optimal Policies for Control and Estimation Over a Gaussian Relay Channel," to appear in Automatica (conference version CDC 2011).
  • S. Yuksel, "Characterization of Information Channels for Asymptotic Mean Stationarity and Stochastic Stability of Non-stationary/Unstable Linear Systems", IEEE Transactions on Information Theory, vol. 58, pp. 6332-6354, October 2012 (pdf) (conference CDC 2011).
  • S. Yuksel and T. Linder, "Optimization and Convergence of Observation Channels in Stochastic Control",  SIAM J. on Control and Optimization , vol. 50, no. 2, pp. 864-887, 2012 (pdf) (conf. ACC 2011).
  • S. Yuksel, "A Tutorial on Quantizer Design for Networked Control Systems: Stabilization and Optimization", Applied and Computational Mathematics (pdf), vol.10, no.3, pp.365-403, 2011.
  • N. Sen, F. Alajaji and S. Yuksel, "Feedback Capacity of a Class of Symmetric Finite-State Markov Channels", IEEE Transactions on Information Theory, vol. 56, pp. 4110 - 4122, July 2011 (pdf).
  • S. Yuksel and T. Basar "Control over Noisy Forward and Reverse Channels", IEEE Transactions on Automatic Control, pp. 1014-1029, vol 56, May 2011. (pdf).
  • G. Como and S. Yuksel, "On the Capacity of Memoryless Finite State Multiple Access Channels with Asymmetric State Information at the Encoders", IEEE Transactions on Information Theory, pp. 1267 - 1273, March 2011 (pdf).
  • S. Yuksel, "Stochastic Stabilization of Noisy Linear Systems with Fixed-Rate Limited Feedback", IEEE Transactions on Automatic Control, v. 55, pp. 2847-2853, Dec. 2010 (pdf).
  • S. Yuksel, "Stochastic Nestedness and the Belief Sharing Information Pattern", IEEE Transactions on Automatic Control, vol. 54, pp. 2773-2786, Dec. 2009 (pdf).
  • G. Como, S. Yuksel and S. Tatikonda "The Error Exponent of Variable-Length Codes over Markov Channels with Feedback", IEEE Transactions on Information Theory, vol. 55, pp. 2139-2160, May 2009 (pdf).
  • S. Yuksel and S. Tatikonda, "A Counterexample in Distributed Optimal Sensing and Control", IEEE Transactions on Automatic Control, vol. 54, pp. 841-844, April 2009 (pdf).
  • S. Yuksel and T. Basar "Optimal Signaling Policies for Decentralized Multi-Controller Stabilizability over Communication Channels", IEEE Transactions on Automatic Control, vol. 52, pp. 1969-1974, October 2007 (pdf).
  • S. Yuksel and T. Basar "Communication Constraints for Decentralized Stabilizability with Time-Invariant Policies", IEEE Transactions on Automatic Control,  vol. 52, pp. 1060-1066, June 2007. (pdf) 
  • S. Yuksel and T. Basar, "Minimum Rate Coding for LTI Systems over Noiseless Channels", IEEE Transactions on Automatic Control, v. 51, pp. 1878-1887, Dec. 2006. (pdf) 
  • O. C. Imer,  S. Yuksel, and  T. Basar "Optimal control of LTI systems over unreliable communication links", Automatica, vol. 42, pp. 1429-1440, Sept. 2006. (pdf) 
  • H. M. Ozaktas, S. Yuksel and M.A. Kutay, "Linear algebraic theory of partial coherence: discrete fields and measures of partial coherence", Journal of Optical Society of America (JOSA) A, Vol. 19,  August 2002. (pdf).

    • Book chapters    :
  • S. Yuksel, T. Basar "Causal Coding of Markov Sources with Continuous Alphabets", in Analysis and Design of Nonlinear Control Systems: In Honor of Alberto Isidori, Astolfi, Alessandro; Marconi, Lorenzo (Eds.), Springer 2008.
  • M.A. Kutay, H. M. Ozaktas, S. Yuksel, "Linear Synthesis of optical fields characterized by their mutual intensity functions", Optical Information Processing : A Tribute to Adolf Lohmann, H. J. Caulfield (Eds.), pp. 103-121, SPIE Press, Washington (2002)

    • Conference publications:
  • N. Sen, F. Alajaji, S. Yuksel and G. Como, "Multiple Access Channel with Various Degrees of Asymmetric State Information," Proceedings of the IEEE International Symposium on Information Theory, Cambridge, MA, July 2012.
  • A. Ozcelikkale, S. Yuksel and H. Ozaktas, "Average error in recovery of sparse signals and the Discrete Fourier Transform", SIU, Fethiye, Turkey, April 2012.
  • S. Yuksel, "Stochastic Stability and Ergodicity of Linear Gaussian Systems Controlled Over Discrete Channels", IEEE Conf. Decision and Control, 2011
  • A. Zaidi, S. Yuksel, T. Oechtering, M. Skoglund, "On Optimal Policies for Control and Estimation Over a Gaussian Relay Channel", IEEE CDC, 2011.
  • N. Sen, G. Como, S. Yuksel and F. Alajaji, ``On the Capacity of Memoryless Finite-State Multiple Access Channels with Asymmetric Noisy State Information at the Encoders,'' Allerton Conference, Monticello, IL, 2011.
  • S. Yuksel and T. Linder, "Optimization and Convergence of Observation Channels in Stochastic Control",  IEEE American Control Conference, 2011.
  • Ali Zaidi, T. Oechtering, S. Yuksel, M. Skoglund, "Sufficient Conditions for Closed-Loop Control Over a Gaussian Relay Channel", IEEE ACC 2011.
  • S. Yuksel, "Comparison and characterization of observation channels for stochastic stabilization of noisy linear systems",  ITA Workshop, Session on D. Blackwell, Feb. 2011.
  • M. Raginsky, A. Rakhlin, S. Yuksel "Online Convex Programming and Regularization in Adaptive Control", IEEE Conference on Decision and Control (CDC) 2010 (pdf).
  • S. Yuksel and T. Linder, "On Optimization and Convergence of Observation Channels and Quantizers in Stochastic Control", Allerton Conference, 2010 (pdf).
  • S. Yuksel, "On Optimal Causal Coding of Partially Observed Markov Sources under Classical and Non-Classical Information Structures", IEEE ISIT'10, TX (arXiv) (pdf).
  • A. Mahajan and S. Yuksel, "Measure and Cost Dependent Properties of Information Structures", IEEE American Control Conference, 2010 (pdf). 
  • A. A. Zaidi, T. J. Oechtering, M. Skoglund and S. Yuksel, "Rate sufficient conditions for closed-loop control over Half-duplex AWGN Relay Channels", in Reglermote 2010.
  • N. Sen, F. Alajaji and S. Yuksel, ``When Does Feedback Not Increase Capacity for Channels with Memory?'' IEEE Signal Proc. Comm. Conf. (SIU), Turkey, April 2010.
  • S. Yuksel, "Optimization and Convergence of Information Channels in Stochastic Control Problems", ITA Workshop, UCSD, January 2010.
  • S. Yuksel "A Random Time Stochastic Drift Result and Application to Stochastic Stabilization Over Noisy Channels", Allerton Conference, September 2009 (pdf). 
  • N. Sen, F. Alajaji and S. Yuksel "Feedback Capacity of a Class of Symmetric Finite-State Markov Channels", Allerton Conference, Illinois, USA, September 2009 (pdf).
  • S. Yuksel "Stochastic Stability of Adaptive Quantizers for Markov Sources",  IEEE International Symposium on Information Theory, ISIT'09, S. Korea, June 2009 (pdf).
  • G. Como and S. Yuksel, "On the Capacity of Finite State Multiple Access Channels with Asymmetric Partial State Feedback", ConCom'09, South Korea, June 2009 (pdf).
  • S. Yuksel, "Stochastic Nestedness and the Belief Sharing Information Pattern in Decentralized Control", IEEE American Control Conf., St. Louis, MO, June 2009 (pdf).
  • S. Yuksel, "Stochastic Stabilization of a Noisy Linear System with a Fixed-Rate Adaptive Quantizer", IEEE American Control Conference, St. Louis, MO, June 2009.
  • G. Arslan, F. Demirkol and S. Yuksel, "Power Games in MIMO Interference Systems", Gamenets, Istanbul, Turkey, May 2009 (pdf).
  • N. Sen, F. Alajaji and S. Yuksel "On the Feedback Capacity of a Discrete Non-Binary Noise Channel with Memory", Canadian Workshop Infor. Theory, May 2009 (pdf).
  • S. Yuksel, "Decentralized Computation and Communication in Stabilization of Distributed Control Systems",  Information Theory and Applications (ITA), Feb. 2009.
  • S. Yuksel, "Stochastic Nestedness and Information Analysis of Tractability in Decentralized Control", Allerton Conf. Comm., Control and Computing, September 2008 (pdf)
  • S. Yuksel, "Optimal LQG Coding and Control over Communication Channels: An Existence and an Infeasibility Result", IEEE American Control Conf., June 2008 (pdf).
  • S. Yuksel, T. Basar and S. P. Meyn "Optimal causal quantization of Markov Sources with distortion constraints", Information Theory and Appli. (ITA),  Jan. 2008 (pdf).
  • S. Yuksel, T. Basar, "Information Theoretic Study of the Signaling Problem in Decentralized Stabilization of Noisy Linear Systems", IEEE CDC, Dec. 2007 (pdf).
  • S. Yuksel, S. Tatikonda "Distributed Sensing and Control over Communication Channels and a Counterexample", Allerton Conference, September 2007.
  • G. Como, S. Yuksel, S. Tatikonda "On the Burnashev Exponent for ISI-Markov Channels", IEEE Information Theory Workshop, Nevada, Sept. 2007.
  • S. Yuksel, T. Basar "Decentralized Multi-Controller Stabilizability over Communication Channels", Proc. European Control Conference Kos, Greece, July 2007.
  • S. Yuksel and S. Tatikonda "Capacity of Markov Channels with Partial State Feedback", IEEE International Symposium on Information Theory, Nice, France, June 2007.
  • G. Como, S. Yuksel, S. Tatikonda "On the Burnashev Exponent for Markov Channels", IEEE International Symposium on Information Theory, Nice, France, June 2007.
  • S. Yuksel, T. Basar "On Causal Coding of Markovian Sources with Continuous Alphabets", IEEE Conference on Decision and Control (CDC), San Diego, CA, 2006.
  • S. Yuksel, T. Basar "Control of Multi-Dimensional Linear Systems over Noisy Channels" IEEE Conference on Decision and Control (CDC), San Diego, CA, 2006. 
  • S. Yuksel, H. Hindi, L. Crawford, "Optimal Tracking with Feedback-Feedforward Control Separation over a Network", IEEE ACC, June 2006 (pdf). 
  • S. Yuksel, T. Basar, "On the Absence of Rate Loss in Decentralized Sensor and Controller Structure for Asymptotic Stability", IEEE ACC, 2006 (best presentation in session) (pdf)
  • S. Yuksel, T. Basar, "Coding and Control over Discrete Noisy Forward and Feedback Channels", IEEE Conf. on Decision Control (CDC) Sevilla, Dec. 2005 (pdf).
  • S. Yuksel, T. Basar, "Achievable Rates for Stability of LTI Systems over Noisy Forward and Feedback Channels", Conf. Inform. Sci. Systems, Baltimore, Mar. 2005 (pdf). 
  • S. Yuksel, T. Basar, "Minimum Rate Coding for State Estimation over Noiseless Channels", IEEE Conference on Decision and Control (CDC), Bahamas, December 2004.
  • O.C. Imer,  S. Yuksel, and  T. Basar; "Optimal Control of Dynamical Systems over Unreliable Communication Links", Nonl. Cont. Conf. NOLCOS, Germany, Sept. 2004.
  • S. Yuksel, O.C. Imer,  and  T. Basar;  Constrained State Estimation and Control over Communication Networks, Conf. Inform. Sci. Systems, Princeton, March 2004 (pdf).
  • S. Yuksel, T. Basar;  "Quantization and Coding for Decentralized LTI Systems", IEEE Conference on Decision and Control (CDC), Hawaii, December 2003 (invited).
  • S. Yuksel, T. Basar;  "Quantization for LTI Systems with Noiseless Channels", IEEE Conference on Control Applications, Istanbul, June 2003.
  • S. Yuksel, T. Basar;  "State Estimation and Control for Linear Systems over Communication Networks", IEEE Conference on Control Applications, Istanbul, June 2003.
  • Mehmet A. Kutay,  H. M. Ozaktas, M. F. Erden and S. Yuksel "Discrete matrix model for synthesis of mutual intensity functions", in Proc. SPIE Vol. 4392, p. 87-98, Optical Processing and Computing: A Tribute to Adolf Lohmann, Orlando ,Florida, April 2001.
  • H. M. Ozaktas, S. Yuksel and M.A. Kutay. "Linear Algebraic Theory of Partial Coherence: Discrete Fields and Measures of Partial Coherence," 19th Congress of the International Commission for Optics,  August 2002, Florence, Italy

    • Theses:
  • Ph.D. Dissertation (October 2006): "Transmission of Information in Control Systems", Electrical and Computer Eng., University of Illinois at Urbana-Champaign, Oct. 2006 (pdf) 
  • Master's Thesis (October 2003): "State Estimation and Control for LTI Systems over Communication Channels'' Electrical and Computer Eng., University of Illinois at Urbana-Champaign, Illinois, October 2003 (pdf).
  • Bachelor's Thesis (June 2001): "Characterization of Optical Partial Coherence",  Undergraduate Senior Thesis, Electrical Eng., Bilkent University, Ankara, May 2001. (ps)

    • Some further writeups:
  • S. Yuksel, "A Team Theory and Stochastic Coding Approach to Multi-Terminal Source Coding and Derivation of some Converse Theorems".
  • S. Yuksel, T. Basar and S. P. Meyn "Optimal Causal Coding of Markov Sources in Continuous Alphabets with Applications in Linear Control Systems", preprint, (conference version in Proc. Information Theory and Applications ITA'08), Jan. 2008.
  • Constrained State Estimation and Control over Communication Networks, CISS'04, Princeton, March 2004.

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