Research Interests:
A general research theme is the interaction of control, information and probability:
-  Control Theory: Stochastic control, networked control, decentralized control, game theory, team theory
-  Information Theory: Source coding/quantization, information theory with feedback,
multi-terminal systems
-  Probability theory and its applications, Markov processes

Preprints and recent work: 
  • G. Arslan and S. Yuksel, "Q-Learning for Stochastic Dynamic Games", submitted.
  • S. Saritas, S. Yuksel and S. Gezici, "On Multi-Dimensional and Noisy Quadratic Signaling Games", submitted.
  • N. Saldi, T. Linder and S. Yuksel, "On Finite State-Action Approximation of Markov Decision Processes with General State and Action Spaces", submitted.
  • S. Yuksel, "On Stochastic Stability of a Class of non-Markovian Processes and Applications in Quantization and Control", submitted.
  • S. Yuksel, "On Stability and Ergodicity of Stochastic Non-Linear Systems Controlled over Communication Channels", submitted.
  • N. Saldi, T. Linder, S. Yuksel, "Asymptotic Optimality of Quantized Control in Markov Decision Processes", IEEE Conf. Decision and Control, 2014.
  • N. Saldi, T. Linder and S. Yuksel, "Randomized Source Coding with Limited Common Randomness" Allerton Conference, 2014.
  • A. Gupta, S. Yuksel, T. Basar, "On the Existence of Optimal Strategies in a Class of Dynamic Stochastic Teams", IEEE Conf. Decision and Control, 2014.
  • A. Gupta, S. Yuksel, T. Basar and C. Langbort, "On the Existence of Optimal Policies for a Class of Static and Sequential Dynamic Teams", (arXiv), also in ACC'2014.
  • R. Zurkowski, S. Yuksel and T. Linder, "On Rates of Convergence for Markov Chains under Random Time State Dependent Drift Criteria", under revision (pdf).
  • S. Yuksel, "Information and Communication Complexity of Networked Control Systems", in Encyclopedia of Systems and Control, J. Baillieul and T. Samad (eds) Springer, 2014 (pdf).
  • A. Ozcelikkale, S. Yuksel, H. M. Ozaktas, "Sampling and Finite Dimensional Representations of Stationary Gaussian Processes", under revision (pdf). 
  • S. Yuksel, "On the Convergence of Entropy and Information Divergence in Markov Chains and Ergodic Theory", submitted.
  • A. Mahajan, N. C. Martins and S. Yuksel, "Static LQG Teams with Countably Infinite Players"CDC'13.
  • S. Yuksel, "Design of Information Channels for Optimization and Stabilization in Networked Control", Information and Control in Networks. Eds: G. Como, B. Bernhardsson, A. Rantzer, Springer, 2014 (preliminary version).
  • A. A. Zaidi, T. J. Oechtering, S. Yuksel, M. Skoglund, "Stabilization and Control over Gaussian Networks, Information and Control in Networks. Eds: G. Como, B. Bernhardsson, A. Rantzer, Springer, 2014 (preliminary version).
  • 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.

  • Book:
  • S. Yuksel and T. Başar. Stochastic Networked Control Systems: Stabilization and Optimization under Information Constraints. Systems & Control: Foundations and Applications Series, Birkhauser, Boston, MA, 2013. [errata]

  • Journal publications:
  • N. Saldi, T. Linder and S. Yuksel, "Asymptotic Optimality and Rates of Convergence of Quantized Stationary Policies in Stochastic Control", IEEE Trans. Automatic Control, to appear (arXiv).
  • G. Arslan, F. Demirkol and S. Yuksel, "On Games with Coupled Constraints" IEEE Trans. Automatic Control, to appear (pdf) (CDC'12). 
  • D. Quevedo, V. Gupta, J.W. Ma, and S. Yuksel, "Stochastic Stability of Event-triggered Anytime Control", IEEE Trans. Automatic Control, to appear.
  • N. Saldi, T. Linder and S. Yuksel, "Randomized Quantization and Source Coding  with Constrained Output Distribution", IEEE Trans. Information Theory, to appear (arXiv) (ISIT'13)
  • A. Ozcelikkale, S. Yuksel, H. M. Ozaktas "Unitary Precoding and Basis Dependency of MMSE Performance for Gaussian Erasure Channels", IEEE Trans. Information Theory, to appear (arXiv).
  • T. Linder and S. Yuksel, "On Optimal Zero-delay Coding of Vector Markov Sources" IEEE Trans. Information Theory, vol 60., pp. 2975-5991, Oct. 2014. (pdf)
  • A. A. Zaidi, T. J. Oechtering, S. Yuksel, M. Skoglund, "Stabilization of Linear Systems Over Gaussian Networks", IEEE Trans. Automatic Control, vol. 59, pp. 2369-2384, Sept. 2014 (pdf).
  • S. Yuksel, "Jointly Optimal LQG Quantization and Control Policies for Multi-Dimensional Systems", IEEE Trans. Automatic Control, vol. 59, pp. 1612-1617, June 2014 (pdf).
  • A. Johnston and S. Yuksel, "Stochastic Stabilization of Partially Observed and Multi-Sensor Systems Driven by Unbounded Noise under Fixed-Rate Information Constraints", IEEE Trans. Automatic Control, vol. 59, pp. 792-798, March 2014 (pdf) (arXiv).
  • N. Sen, F. Alajaji, S. Yuksel, G. Como, "On the Multiple Access Channel with Asymmetric Noisy State Information at the Encoders" IEEE Trans. Information Theory, vol. 59, pp. 7052-7070, November 2013 (pdf) (ISIT 2012).
  • W. Dai and S. Yuksel, "Observability of a Linear System under Sparsity Constraints" IEEE Trans. Automatic Control, pp. 2372-2376, vol 58, Sept. 2013. (pdf)(arXiv).
  • A. A. Zaidi, S. Yuksel, T. J. Oechtering, M. Skoglund, "On Optimal Policies for Control and Estimation Over a Gaussian Relay Channel," Automatica (pdf) (conference version CDC 2011), September 2013.
  • S. Yuksel, "On Optimal Causal Coding of Partially Observed Markov Sources in Single and Multi-Terminal Settings", IEEE Trans. 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 Trans. Automatic Control, vol. 58, pp. 47 - 59, January 2013 (pdf) (arXiv).
  • S. Yuksel, "Characterization of Information Channels for Asymptotic Mean Stationarity and Stochastic Stability of Non-stationary/Unstable Linear Systems", IEEE Trans. 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, S. Yuksel, "Feedback Capacity of a Class of Symmetric Finite-State Markov Channels", IEEE Trans. Information Theory, vol. 56, pp. 4110 - 4122, July 2011 (pdf).
  • S. Yuksel and T. Basar, "Control over Noisy Forward and Reverse Channels", IEEE Trans. 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 Trans. Information Theory, pp. 1267 - 1273, March 2011 (pdf).
  • S. Yuksel, "Stochastic Stabilization of Noisy Linear Systems with Fixed-Rate Limited Feedback", IEEE Trans. Automatic Control, v. 55, pp. 2847-2853, Dec. 2010 (pdf).
  • S. Yuksel, "Stochastic Nestedness and the Belief Sharing Information Pattern", IEEE Trans. Automatic Controlvol. 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 Trans. Information Theory, vol. 55, pp. 2139-2160, May 2009 (pdf).
  • S. Yuksel and S. Tatikonda, "A Counterexample in Distributed Optimal Sensing and Control", IEEE Trans. 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 Trans. 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 Trans. 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 Trans. 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", J. Opt. Soc. Am. (JOSA) A, v. 19, pp. 1563-1571, 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, A. Astolfi, L. Marconi (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)

  • Selected conference publications:
  • A. Gupta, S. Yuksel, T. Basar and C. Langbort, "On the Existence of Optimal Strategies in Static and Dynamic Teams", ACC 2014.
  • A. Mahajan, N. C. Martins and S. Yuksel,  "Static LQG Teams with Countably Infinite Players", CDC 2013.
  • N. Saldi, T. Linder, and S. Yuksel, Approximation of stationary control policies by quantized control in Markov decision processes, Allerton Conf., Monticello, Illinois, Sep. 2013.
  • N. Saldi, T. Linder, and S. Yuksel, Randomized quantization and optimal design with a marginal constraint, ISIT 2013, Istanbul, Turkey, July 2013.
  • A. Mahajan, N. C. Martins, M Rotkowitz and S. Yuksel, "Information Structures in Optimal Decentralized Control", tutorial paper, CDC 2012.
  • A. Johnston and S. Yuksel, "Stochastic Stabilization of Partially Observed and Multi-Sensor Systems Driven by Gaussian Noise under Fixed-Rate Information Constraints", CDC 2012.
  • S. Yuksel and T. Linder, "On Optimal Zero-Delay Quantization of Vector Markov Sources, CDC 2012.
  • G. Arslan, F. Demirkol and S. Yuksel, "On Games with Coupled Constraints", CDC 2012.
  • S. Yuksel, "Jointly Optimal LQG Quantization and Control Policies for Multi-Dimensional Linear Gaussian Sources", Allerton Conference, October 2012.
  • N. Sen, F. Alajaji, S. Yuksel and G. Como, "Multiple Access Channel with Various Degrees of Asymmetric State Information," ISIT 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, F. Alajaji, "On the Capacity of Memoryless Finite-State Multiple Access Channels with Asymmetric Noisy State Information at the Encoders,'' Allerton'11.
  • 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 and 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", Proc. SPIE, Optic. Pr. and Comp.: 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," Cong. Int. Comm. Optics, Italy, 2002.

  • Theses:
  • Ph.D. Dissertation (October 2006): "Transmission of Information in Control Systems", Electrical and Computer Eng., University of Illinois at Urbana-Champaign, Oct. 2006
  • 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)

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