Research Interests
Control theory
: stochastic control theory, decentralized
stochastic control and information structures, robustness,learning theory in control, information and control Information
theory: optimal
quantization and finite-delay coding, interaction of
information theory and control theory (and some game theory) Probability
: stochastic
stability of dynamical systems, non-linear filtering, Markov
processes

A. Arapostathis and S. Yüksel, Convex Analytic Method
Revisited: Further Optimality Results and Performance of
Deterministic Stationary Control Policies (arXiv)

N. Saldi and S. Yüksel, Geometry of Information
Structures, Strategic Measures and Associated Control
Topologies (arXiv)

A. D. Kara and S. Yüksel, Convergence of Finite Memory
Q-Learning for POMDPs and Near Optimality of Learned
Policies under Filter Stability (arXiv)

S. Sanjari, N. Saldi and S. Yüksel, Optimality of
Independently Randomized Symmetric Policies for Exchangeable
Stochastic Teams with Infinitely Many Decision Makers (arXiv)

A. D. Kara and S. Yüksel Robustness to Approximations
and Model Learning in MDPs and POMDPs in Modern Trends in Controlled
Stochastic Processes: Theory and Applications, Volume III. A.
B. Piunovskiy and Y. Zhang, editors, Luniver Press, Frome, UK
2021 (pdf).

M. Ghomi, T. Linder and S. Yüksel Zero-Delay Lossy
Coding of Linear Vector Markov Sources: Optimality of
Stationary Codes and Near Optimality of Finite Memory Codes(arXiv)

A. D. Kara and S. Yüksel, Near Optimality of Finite
Memory Feedback Policies in Partially Observed Markov
Decision Processes (arXiv)

E. Kazikli, S. Saritas, S. Gezici, T. Linder and S. Yüksel,
Signaling Games for Arbitrary Distributions: Number of Bins
and Properties of Equilibria (arXiv)

C. McDonald and S. Yüksel, Converse Results on Filter
Stability Criteria and Stochastic Non-Linear Observability
(arXiv)

E. Kazikli, S. Gezici and S. Yüksel, Quadratic
Privacy-Signaling Games and the MMSE Gaussian Information
Bottleneck Problem (ISIT'20) (arXiv)

M. Derpich and S. Yüksel, Dual Effect, Certainty
Equivalence, and Separation Revisited: A Counterexample and a
Relaxed Characterization for Optimality.

Journal publications

A. D. Kara, M. Raginsky and S. Yüksel, Robustness to
Incorrect Models and Data-Driven Learning in Average-Cost
Optimal Stochastic Control (arXiv), Automatica,
to appear.

I. Hogeboom-Burr and S. Yüksel, Comparison of Information
Structures for Zero-Sum Games and a Partial Converse to
Blackwell Ordering in Standard Borel SpacesSIAM
Journal on Control and Optimization,
vol. 59, pp. 1781-1803, 2021 (arXiv) (pdf).

N. Garcia, C. Kawan and S. Yüksel, Ergodicity Conditions
for Controlled Stochastic Nonlinear Systems Under Information
Constraints: a Volume Growth Approach, SIAM Journal on
Control and Optimization, vol. 59, pp. 534-56, 2021 (pdf).

B. Yongacoglu, G. Arslan and S. Yüksel, Decentralized
Learning for Optimality in Stochastic Dynamic Teams and Games
with Local Control and Global State Information (arXiv), IEEE
Trans. Automatic Control,
to appear.

S. Sanjari and S. Yüksel, Optimal Policies for
Convex Symmetric Stochastic Dynamic Teams and their Mean-Field
Limit,SIAM Journal on Control and Optimization,
vol. 59, pp. 777-804, 2021 (pdf).

C. McDonald and S. Yüksel, Exponential Filter Stability
via Dobrushin's Coefficient, Electronic Communications
in Probability, 2020 (pdf).

S. Yüksel, A Universal Dynamic Program and Refined
Existence Results for Decentralized Stochastic Control, SIAM
Journal on Control and Optimization, vol. 58, 27112739,
2020 (pdf).

C. Kawan and S. Yüksel,
Invariance Properties of Nonlinear Stochastic Dynamical
Systems under Information Constraints, IEEE
Trans. Automatic Control,
to appear (arXiv).

S. Sanjari and S. Yüksel, Optimal Solutions to
Infinite-Player Stochastic Teams and Mean-Field Teams IEEE
Trans. Automatic Control,v.
66, pp. 1071-1086, March 2021 (pdf).

A. D. Kara and S. Yüksel, Robustness to Incorrect System
Models in Stochastic Control, SIAM Journal on
Control and Optimization,vol.
58, pp. 11441182, 2020(pdf)(arXiv).

C. Kawan and S. Yüksel, Metric and Topological Entropy
Bounds for Optimal Coding of Stochastic Dynamical Systems,
IEEE
Trans. Automatic Control, v. 65, pp.
2466-2479, June 2020 (pdf, ISIT'17).

C. McDonald, F. Alajaji and S. Yüksel, Two-Way Gaussian
Networks with a Jammer and Decentralized Control, IEEE
Trans. Control of Network Systems, pp. 446-457, March 2020
(pdf).

N. A. Dalkiran and S. Yüksel, Stochastic Control
Approach to Reputation Games, IEEE Trans. Automatic Control, vol.
65, pp. 4710-4725, Nov. 2020 (arXiv).

S. Saritas, S. Yüksel and S. Gezici, Dynamic Signaling
Games with Quadratic Criteria under Nash and Stackelberg
Equilibria, Automatica, May 2020 (pdf).

N. Saldi, S. Yüksel and T. Linder, Finite
Model Approximations for Partially Observed Markov Decision
Processes with Discounted Cost, IEEE Trans.
Automatic Control, v. 65, Jan. 2020 (pdf).

A. D. Kara, N. Saldi and S. Yüksel, Weak Feller Property
of Non-linear Filters Systems and Control Letters, Dec. 2019 (arXiv) (pdf
link)

A. D. Kara and S. Yüksel, Robustness to Incorrect Priors
in Partially Observed Stochastic Control, SIAM
Journal on Control and Optimization, v. 57, pp.
19291964, 2019 (pdf).

S. Yüksel, A Note on the Separation of Optimal
Quantization and Control Policies in Networked Control, SIAM
Journal on Control and Optimization, v. 57, pp. 773-782,
2019 (pdf).

C. Kawan and S. Yüksel, On Optimal Coding of Non-linear
Dynamical Systems, IEEE Trans. Information Theory, vol.
64, pp. 6816 - 6829, Oct. 2018 (pdf).

S. Yüksel, On Stochastic Stability of a Class of
non-Markovian Processes and Applications in Quantization, SIAM
Journal on Control and Optimization, vol. 55, pp.
1241-1260, 2017 (arXiv)
(pdf) (ISIT'17).

R. Wood, T. Linder and S. Yüksel, Optimal Zero Delay Coding
of Markov Sources: Stationary and Finite Memory Codes, IEEE Trans.
Information Theory, vol. 63, pp. 5968-5980,
Sept. 2017 (pdf).

N. Saldi, S. Yüksel and T. Linder, On the Asymptotic
Optimality of Finite Approximations to Markov Decision Processes
with Borel Spaces, Mathematics of Operations Research,
2017 (pdf).

S. Yüksel and N. Saldi, Convex Analysis in Decentralized
Stochastic Control, Strategic Measures and Optimal Solutions,
SIAM Journal on Control and Optimization, pp. 1-28, 2017
(pdf)

S. Yüksel, Stationary and Ergodic Properties of Stochastic
Non-Linear Systems Controlled over Communication Channels, SIAM
Journal on Control and Optimization, pp. 2844-2871, 2016 (pdf) (ISIT'16)

N. Saldi, S. Yüksel and T. Linder, Finite Model
Approximations and Asymptotic Optimality of Quantized Policies
in Decentralized Stochastic Control, IEEE Trans. Automatic Control,
vol 62,
pp. 2360- 2373, May 2017
(pdf).

G. Arslan and S. Yüksel, Decentralized Q-Learning for
Stochastic Teams and Games, IEEE Trans. Automatic Control,
vol. 62, pp.
1545- 1558, April 2017 (pdf).

S. Saritas, S. Yüksel and S. Gezici, Quadratic
Multi-Dimensional Signaling Games and Affine Equilibria, IEEE Trans.
Automatic Control, vol. 62, pp. 605-619, Feb.
2017 (pdf).

N. Saldi, S. Yüksel and T. Linder, Near Optimality of
Quantized Policies in Stochastic Control Under Weak Continuity
Conditions, J. of Math.
Analysis and Applications, v. 435,pp. 321-337, March 2016 (pdf).

R. Zurkowski, S.
Yüksel and T. Linder, On Rates of Convergence for Markov
Chains under Random Time State Dependent Drift Criteria, IEEE Trans.
Automatic Control, v. 61, pp. 145-155, Jan.
2016 (pdf).

A. A. Zaidi, S.
Yüksel, T. J. Oechtering, M. Skoglund, On the Tightness of
Linear Policies for Stabilization of Linear Systems Over
Gaussian Networks, Systems and Control Letters, v. 88, pp.
32-38,Feb. 2016 (pdf).

N. Saldi, T. Linder and S. Yüksel, Output Constrained
Lossy Source Coding with Limited Common Randomness, IEEE Trans.
Information Theory, vol. 61, pp. 4984-4998,
Sep. 2015. (pdf)

A. Gupta, S. Yüksel, T. Basar and C. Langbort, On the
Existence of Optimal Policies for a Class of Static and
Sequential Dynamic Teams, SIAM Journal on Control and
Optimization, vol. 53, pp. 1681-1712,
2015 (pdf) (arXiv).

N. Saldi, T. Linder
and S. Yüksel, Asymptotic Optimality and Rates of
Convergence of Quantized Stationary Policies in Stochastic
Control, IEEE Trans. Automatic Control, vol. 60, pp. 553 -558, Feb. 2015(pdf) (arXiv).

G. Arslan, F. Demirkol and S. Yüksel, On
Games with Coupled ConstraintsIEEE Trans. Automatic Control, vol.
60, pp. 358-372, Feb. 2015(pdf)(CDC'12).

N. Saldi, T. Linder and S. Yüksel, Randomized Quantization
and Source Coding with Constrained Output Distribution,
IEEE
Trans. Information Theory, vol. 61, pp.
91-106, Jan. 2015 (arXiv)
(pdf).

D. Quevedo, V. Gupta, J.W. Ma, and S. Yüksel, Stochastic
Stability of Event-triggered Anytime Control, IEEE Trans. Automatic Control,
vol. 59, pp. 3373-3379, December 2014
(pdf).

A. Ozcelikkale, S. Yüksel, H. M. Ozaktas Unitary Precoding
and Basis Dependency of MMSE Performance for Gaussian Erasure
Channels, IEEE Trans. Information Theory, v.
60, pp. 7186-7203, Nov. 2014 (arXiv).

T. Linder and S. Yüksel, On Optimal Zero-delay Coding of
Vector Markov SourcesIEEE Trans. Information Theory,
v. 60., pp. 2975-5991, Oct. 2014.(pdf).

A. A. Zaidi, T. J. Oechtering, S. Yüksel, M.
Skoglund, Stabilization of Linear Systems Over Gaussian
Networks, IEEE Trans.
Automatic Control, vol. 59, pp. 2369-2384,
Sept. 2014(pdf).

S. Yüksel, 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. Yüksel, 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); the longer version with complete
proofs available on arXiv: (arXiv version)

N. Sen, F. Alajaji, S. Yüksel, G. Como, On the Multiple
Access Channel with Asymmetric Noisy State Information at the
EncodersIEEE Trans. Information Theory, vol. 59, pp.
7052-7070, November 2013(pdf) (ISIT 2012).

W. Dai and S. Yüksel, 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. Yüksel, 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. Yüksel, 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. Yüksel 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.
Yüksel, 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).

S. Yüksel and T. Linder, Optimization and Convergence of
Observation Channels in Stochastic Control, SIAM
Journal on Control and Optimization, vol. 50, no. 2, pp.
864-887, 2012(pdf) (conf. ACC 2011).

S. Yüksel, 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. Yüksel, Feedback Capacity of a
Class of Symmetric Finite-State Markov Channels, IEEE Trans.
Information Theory, vol. 56, pp. 4110 - 4122, July
2011 (pdf).

S. Yüksel and T. Basar,Control over Noisy Forward and Reverse Channels, IEEE Trans.
Automatic Control, pp. 1014-1029, vol 56,
May2011. (pdf).

G. Como and S. Yüksel, 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. Yüksel, Stochastic
Stabilization of Noisy Linear Systems with Fixed-Rate
Limited Feedback, IEEE Trans.
Automatic Control, v. 55, pp. 2847-2853, Dec. 2010 (pdf).

S. Yüksel, Stochastic Nestedness and the Belief
Sharing Information Pattern, IEEE Trans.
Automatic Control, vol. 54, pp. 2773-2786, Dec. 2009 (pdf).

G. Como, S. Yüksel 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. Yüksel and S.
Tatikonda, A Counterexample in
Distributed Optimal Sensing and Control, IEEE Trans. Automatic Control, vol. 54, pp. 841-844, April 2009 (pdf).

S. Yüksel and T. BasarOptimal Signaling Policies for
Decentralized Multi-Controller Stabilizability over
Communication Channels, IEEE Trans. Automatic Control, vol. 52, pp. 1969-1974, October 2007 (pdf).

S. Yüksel and T. BasarCommunication Constraints for Decentralized
Stabilizability with Time-Invariant Policies, IEEE Trans. Automatic Control, vol. 52, pp. 1060-1066, June 2007. (pdf)

S. Yüksel 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. Yüksel and
T. BasarOptimal control of
LTI systems over unreliable communication links, Automatica, vol. 42, pp.
1429-1440, Sept. 2006. (pdf)

Book chapters

A. D. Kara and S. Yüksel Robustness to Approximations and
Model Learning in MDPs and POMDPs in Modern Trends in Controlled
Stochastic Processes: Theory and Applications, Volume III. A.
B. Piunovskiy and Y. Zhang, editors, Luniver Press, Frome, UK
2021 (pdf).

S. Yüksel, Information and Communication Complexity of
Networked Control Systems, Encyclopedia of Systems and Control (2nd Edition),
Eds:J. Baillieul, T. Samad, Springer, 2019

N. Saldi, S.Yüksel and T. Linder, Finite Approximations to
Markov Decision Processes with Borel Spaces, in Modern Trends in Controlled
Stochastic Processes: Theory and Applications, Volume II. A.
B. Piunovskiy, editor, Luniver Press, Frome, UK 2015.

S. Yüksel, Information and Communication Complexity of
Networked Control Systems, Encyclopedia of Systems and Control, Eds:J.
Baillieul, T. Samad, Springer, 2015 (pdf).

S. Yüksel, 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 (pdf).

A. A. Zaidi, T. J. Oechtering, S.
Yüksel, M. Skoglund, Stabilization
and Control over Gaussian Networks, Information and Control in
Networks. Eds:G. Como, B. Bernhardsson, A. Rantzer,
Springer, 2014 (pdf)

S.Yüksel, 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.

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