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Dr. Kousik Das

I am currently a Postdoctoral Fellow in IEOR under the guidance of Prof. V. Kavitha. 

Research Interests:

  • Queueing and Inventory Theory (Correlated queueing models, Queueing-inventory models, Fluid queues, Polling systems, Queueing networks)
  • Stochastic Approximation
  • Game Theory (Turn-by-turn dynamics, Mean-field games)
  • Markov Decision Process (Application in Multi-armed Bandit Problems and Reinforcement Learning)

 

Teaching Interests: 

  • Probability and Statistics
  • Stochastic Processes & Queueing Systems
  • Probabilistic Models
  • Probability and Stochastic Processes I
  • Probability and Stochastic Processes II

  • Markov Decision Process

     

Previous Position: 

Temporary Faculty for one academic year (August 2023- May 2024), Department of Mathematics, National Institute of Technology Raipur. 

Doctoral Research: 

I completed my Doctorate from the Department of Mathematics, NIT Raipur, as a UGC Senior Research Fellow (SRF) in November 2023. My Doctoral supervisor is Prof. S. K. Samanta (Associate Professor, Department of Mathematics, NIT Raipur). My Doctoral research stream is Discrete-time correlated bulk queueing systems.

Publications: 

  1. S. K. Samanta, K. Das, A simple procedure to determine the queue length and waiting time distributions for M/Ga,b/1 queueing system, Mathematical Methods of Operations Research, 2025 (Accepted). (SCIE)

  2. K. Avrachenkov, K. Das, V. Kavitha, V. Singh, Stability of polling systems for a large class of Markovian switching policies, Proceedings of the 2025 64th IEEE Conference on Decision and Control. (Accepted)
  3. K. Das, V. Singh, K. Avrachenkov, V. Kavitha, Stability of polling systems: A linear class of two-phase switching policies near fluid limit, 2025. Abstract accepted in the 34th European Conference on Operational Research (EURO 2025), University of Leeds, United Kingdom. https://www.euro-online.org/conf/euro34/treat_abstract?frompage=search&paperid=976

  4. K. Das, S. K. Samanta, Analytical and computational investigation of the GI/D-BMSP/1 queueing system, Journal of Systems Science and Systems Engineering, 2024. (SCIE) https://doi.org/10.1007/s11518-024-5615-y

  5. K. Das, S. K. Samanta, Analytic computation for stationary distributions of D-BMAP/D-MSP(a,b)/1 queueing system, International Journal of Computer Mathematics: Computer Systems Theory, 9(4):253-282, 2024. (SCOPUS/ESCI) https://doi.org/10.1080/23799927.2024.2415451

  6. S. K. Samanta, K. Das, Detailed analytical and computational studies of D-BMAP/D-BMSP/1 queueing system, Methodology and Computing in Applied Probability, 25(12), 2023. (SCIE) https://doi.org/10.1007/s11009-023-10012-7

  7. K. Das, S. K. Samanta, Computational analysis of GI[X]/D-MSP(a,b)/1 queueing system via RG-factorization, Mathematical Methods of Operations Research, 98(1):1-39, 2023. (SCIE) https://doi.org/10.1007/s00186-023-00816-1

  8. S. K. Samanta, K. Das, Computing stationary distributions of the D-MAP/D-MSP(a,b)/1 queueing system, Journal of Ambient Intelligence and Humanized Computing, 13(1): 571-590, 2022. (SCIE)  https://doi.org/10.1007/s12652-021-02919-1

  9. K. Das, S. K. Samanta, Modelling and analysis of D-BMAP/D-MSP/1 queue using RG-factorization, Quality Technology & Quantitative Management, 18(3): 355-381, 2021. (SCIE)  https://doi.org/10.1080/16843703.2020.1830477

 Google Scholar link: https://scholar.google.com/citations?user=_WfzYssAAAAJ&hl=en

 

Reviewer of International Journals:

  • International Journal of Data Science and Analytics
  • International Journal of Applied and Computational Mathematics
  • The Journal of Supercomputing
  • Scientific Reports

  • CDC Conference in The IEEE Control Systems Society Conference, Journals, Award Management System

Other Achievements:

  • Selected as a Visiting Postdoctoral Fellow at the Computer Systems Group (CSG) in IIIT-Hyderabad, India, in 2024.
  • Selected as Assistant Professor in the Alliance School of Applied Mathematics, Faculty of Science & Technology at Alliance University, Bangalore, in 2023.
  • Worked as a Junior Research Fellow in the CSIR-sponsored project at NIT Raipur.
  • Qualified CSIR-UGC NET JRF (AIR 84), GATE.
  • Awarded for DST INSPIRE (SHE) scholarship.
  • Awarded for state government merit-cum scholarship at secondary, higher secondary, graduate and postgraduate level.