7. R. Deepa and P. Muthukumar, Infinite horizon optimal control of mean-field type stochastic partial differential equation with Poisson jumps, Malaya Journal of Matematik, Vol. 7, No. 4, 852-857, December 2019. DOI: https://doi.org/10.26637/MJM0704/0037

6. R. Deepa and P. Muthukumar, Infinite horizon mean-field type forward backward stochastic delay differential game with Poisson jump processes, Malaya Journal of Matematik, Vol. 7, No. 4, 841-847, December 2019. DOI: https://doi.org/10.26637/MJM0704/0035

5. Durga N, Muthukumar P. Optimal control of fractional neutral stochastic differential equations with deviated argument governed by Poisson jumps and infinite delay. Optimal Control, Applications and Methods. September 2019, Vol 40, Issue 5, pp 880-899. DOI: https://doi.org/10.1002/oca.2515 

4. S. Arunagirinathan, P. Muthukumar, Y. H. Joo,  Robust reliable H_infinity control design for networked control systems with nonlinear actuator faults and randomly missing measurements, International Journal of Robust and Nonlinear Control, August 2019, volume 29,  Issue 12, pp. 4168–4190. DOI: https://doi.org/10.1002/rnc.4602 .  

3.  P. Muthukumar and R. Deepa, Mean-field, infinite horizon, optimal control of nonlinear stochastic delay system governed by Teugels martingales associated with Levy processes, Communications in Mathematics and Statistics (CIMS), June 2019, vol. 7, Issue  2, pp. 163–180 , DOI: 10.1007/s40304-018-0143-z

2. P. Muthukumar, S. Arunagirinathan and S. Lakshmanan, Non-fragile sampled-data control for uncertain networked control systems with additive time-varying delays, IEEE Transactions on Cybernetics, April 2019, vol. 49, no. 4, pp. 1512-1523. DOI: 10.1109/TCYB.2018.2807587. 

1. K. Subramanian, P. Muthukumar, and Y. H. Joo, Leader-following Consensus of Nonlinear Multi-agent Systems via Reliable Control with Time-varying Communication Delay, International Journal of Control, Automation and Systems, 18th January 2019, Volume 17, Issue. 2, 2019, pp. 298 - 306,. DOI: https://doi.org/10.1007/s12555-018-0323-3 

6. P. Muthukumar and R. Deepa, Stochastic maximum principle for mean field type singular optimal control problem with discounted cost, Int. J. Computational Systems Engineering, August-2019, Vol. 5, No. 4,  pp. 235 - 242. DOI: 10.1504/IJCSYSE.2019.101704 Presented at International Conference on Mathematical Modeling and Computational Methods in Science and Engineering, Alagappa University, Karaikudi, India, 20–22 February 2017.

5. R. Deepa and P. Muthukumar,  Infinite horizon optimal control of mean-field delay system with semi-Markov modulated jump-diffusion processes, The Journal of Analysis, June 2019, Volume 27, Issue 2, pp 623–641 DOI: https://doi.org/10.1007/s41478-018-0098-1 International Conference on Applied Analysis, Mathematical Modeling and Computing Techniques (ICAAMMCT 2018) organized by Department of Mathematics, The Gandhigram Rural Institute (Deemed to be University), Gandhigram held during March 15-17, 2018. 

4. N. Durga and P. Muthukumar, Optimal control of fractional reaction-diffusion equations with Poisson jumps,  The Journal of Analysis, June 2019, Volume 27, Issue 2, pp 605–621.  DOI https://doi.org/10.1007/s41478-018-0097-2 International Conference on Applied Analysis, Mathematical Modeling and Computing Techniques (ICAAMMCT 2018) organized by Department of Mathematics, The Gandhigram Rural Institute (Deemed to be University), Gandhigram held during March 15-17, 2018. 

3. S. Arunagirinathan and P. Muthukumar, Improved results on asymptotic stability criteria for additive time-varying delay system and its applications, 2019 Fifth Indian Control Conference (ICC), IEEE Xplore, 16 May 2019, pp. 57-62. DOI: 10.1109/INDIANCC.2019.8715574  Fifth ICC held during 9-11 Jan. 2019 at IIT-Delhi, New Delhi, India, 

2.  S. Arunagirinathan and P. Muthukumar, Reliable H_infinity controller for uncertain networked control systems with additive time-varying delays and nonlinear actuator faults, The Journal of Analysis, March 2019, Volume 27, Issue 1, pp 19–37, https://doi.org/10.1007/s41478-018-0101-x International Conference on Applied Analysis, Mathematical Modeling and Computing Techniques (ICAAMMCT 2018) organized by Department of Mathematics, The Gandhigram Rural Institute (Deemed to be University), Gandhigram held during March 15-17, 2018. 

1. N. Durga and P. Muthukumar, Existence and Exponential Behavior of Multi-valued Nonlinear Fractional Stochastic Integro-differential Equations with Poisson Jumps of Clarke's Subdifferential Type, Mathematics and Computers in Simulation, Volume 155, January 2019, Pages 347-359 , doi: https://doi.org/10.1016/j.matcom.2018.07.012  as a SI: ICMMCMSE 2017 of International Conference on Mathematical Modeling and Computational Methods in Science and Engineering, Alagappa University, Karaikudi, India, 20–22 February 2017.