Welcome to Department of Mathematics
logo

Mail Us
mathoff[AT]iitg.ac.in

Call Us
+91-361-2582650

Subhamay Saha

Assistant Professor Ph.D. (IISc Bangalore)

+91 (0)361 258 2638    saha.subhamay ◊ iitg ⋅ ac ⋅ in

Research Area: Probability and Stochastic Process
Room No: E1-202
Personal Website | IRINS Profile
View CV

Department Responsibilities:
Course allocation and Time Table Management, Department Time Table Committee, Convener

Research

My broad area of research is Probability and Stochastic Processes. More specifically, I am interested in Stochastic Control Theory, Stochastic Games, Stochastic Networks and Interacting Particle Systems.

Education

  • Integrated Ph.D : Indian Institute of Science, Bangalore, India, August 2007 - May 2013 (Thesis Advisor - Mrinal Kanti Ghosh), Thesis Title - Single and Multiplayer Stochastic Dynamic Optimization.
  • Bachelor of Science : Jadavpur University, Kolkata, India, 2004 - 2007 (Honours in Mathematics).

Experience

  • Assistant Professor in the Department of Mathematics since July 2016.
  • Postdoctoral Fellow : Technion - Israel Institute of Technology,  Haifa, Israel, September 2014 - July 2016 (Mentor - Rami Atar).
  • Postdoctoral Fellow : University of North Carolina, Chapel Hill, NC, USA, June 2013 - June 2014 (Mentor - Amarjit Budhiraja)

Courses

  • MA 101 Mathematics I (ODD SEMESTER 2023-2024, SINGLE VARIABLE CALCULUS PART)
  • MA 592 Mathematical Finance (EVEN SEMESTER 2022-2023)
  • MA 541 Real Analysis (ODD SEMESTER 2022-2023)
  • MA 212M Mathematical Statistics (EVEN SEMESTER 2021-2022)
  • MA 201 Mathematics III (ODD SEMESTER 2021-2022, COMPLEX ANALYSIS PART)
  • MA 224 Real Analysis (EVEN Semester 2020-21)
  • MA 372 Stochastic Calculus for Finance (ODD Semester 2020-21)
  • MA 102 Mathematics II (EVEN SEMESTER 2019-2020, LINEAR ALGEBRA PART)
  • MA 225 Probability Theory and Random Processes (ODD SEMESTER 2019-2020, shared with Dr. Ayon Ganguly)
  • MA 271 Financial Engineering I (EVEN SEMESTER 2018-2019)
  • MA 543 Functional Analysis (ODD Semester 2018-2019)
  • MA 102 Mathematics II (EVEN Semester 2017-18, MULTIVARIABLE CALCULUS PART)
  • MA 211M Real Analysis (ODD Semester 2017-2018, shared with Dr. Sameer Kamal)
  • MA 550 Measure Theory (ODD Semester 2017-2018)
  • MA 102 Mathematics II (EVEN Semester 2016-17, DIFFERENTIAL EQUATIONS PART)
  • MA 372 Stochastic Calculus for Finance (ODD Semester 2016-17)

Book Chapter

1. Mrinal K. Ghosh and Subhamay Saha, "Optimization, Control, and Applications of Stochastic Systems: A Volume in Honor of Onésimo Hernández-Lerma", Continuous-time Controlled Jump Markov Processes on the Finite Horizon , Birkhäuser/Springer, New York [2012]

Journal Publications

22. Arnab Bhabak and Subhamay Saha, "Partially Observable Discrete-time Markov Games with General Utility", Operations Research Letters [2024]

21. Arnab Bhabak and Subhamay Saha, "Zero and Non-zero sum risk-sensitive semi-Markov games ", Stochastic Analysis and Applications [2023]

20. Anindya Goswami, Subhamay Saha and Ravishankar K. Yadav, "Semimartingale Representation of a Class of Semi-Markov Dynamics", Journal of Theoretical Probability [2023]

19. Subrata Golui, Chandan Pal and Subhamay Saha, "Continuous-time Zero-Sum Games for Markov Decision Processes with Discounted Risk-Sensitive Cost Criterion", Dynamic Games and Applications [2022]

18. Arnab Bhabak, Chandan Pal and Subhamay Saha, "Zero-Sum Semi-Markov Games with Probability Criterion", Stochastics [2022]

17. Arnab Bhabak and Subhamay Saha, "Risk-sensitive Semi-Markov Decision Problems with Discounted Cost and General Utilities ", Statistics and Probability Letters [2022]

16. Arnab Bhabak and Subhamay Saha, "Continuous-time Zero-sum Games with Probability Criterion", Stochastic Analysis and Applications [2021]

15. Asaf Cohen and Subhamay Saha, "Asymptotic Optimality of the Generalized $c\mu$ Rule under Model Uncertainty", Stochastic Processes and Applications [2021]

14. Chandan Pal and Subhamay Saha, "Continuous-time Zero-sum Stochastic Game with Stopping and Control ", Operations Research Letters [2020]

13. Anup Biswas and Subhamay Saha, "Zero-Sum Stochastic Differential Games with Risk-Sensitive Cost", Applied Mathematics and Optimization [2020]

12. Ari Arapostathis, Anup Biswas and Subhamay Saha, "Strict Monotonicity of Principal Eigenvalues of Elliptic Operators on $R^d$ and Risk-Sensitve Control", Journal de Mathématiques Pures et Appliquées [2019]

11. Amarjit Budhiraja, Elisabeti Kira and Subhamay Saha, "Central Limit Results for Jump-Diffusions with Mean Field Interaction and a Common Factor", Stochastic Analysis and Applications [2017]

10. Rami Atar and Subhamay Saha, "Optimality of the Generalized c$\mu$ Rule in the Moderate Deviation Regime", Queueing Systems: Theory and Applications [2017]

9. Anup Biswas, Hitoshi Ishii, Subhamay Saha and Lin Wang, "On Viscosity Solution of HJB Equations with State Constraints and Reflection Control", SIAM Journal of Control and Optimization [2017]

8. Rami Atar and Subhamay Saha, "An $\epsilon$-Nash Equilibrium with High Probability for Strategic Customers in Heavy Traffic", Mathematics of Operations Research [2017]

7. Amarjit Budhiraja, Xin Liu and Subhamay Saha, "Construction of Asymptotically Optimal Control for Crisscross Network from a Free Boundary Problem", Stochastic Systems [2016]

6. Rami Atar and Subhamay Saha, "A Note on Non-existence of Diffusion Limits for Serve-the-Longest-Queue when the Buffers are Equal in Size", Electronic Communications in Probability [2016]

5. Mrinal K. Ghosh and Subhamay Saha, "Risk-Sensitive Control of Continuous-time Markov Chains", Stochastics [2014]

4. Subhamay Saha, "Zero-Sum Stochastic Games with Partial Information and Average Payoff", Journal of Optimization Theory and Applications [2014]

3. Mrinal K. Ghosh and Subhamay Saha, "Non-Stationary Semi-Markov Decision Processes on a Finite Horizon", Stochastic Analysis and Applications [2013]

2. Mrinal K. Ghosh and Subhamay Saha, "Optimal Control of Markov Processes with Age-Dependent Transition Rates", Applied Mathematics and Optimization [2012]

1. Mrinal K. Ghosh and Subhamay Saha, "Stochastic Processes with Age-Dependent Transition Rates", Stochastic Analysis and Applications [2011]

Current

1 Bivakar Bose
2 Pratim Dey

Completed

1 Arnab Bhabak

1. Stochastic Games for Continuous-time Stochastic Processes
Funding Agency : Science and Engineering Research Board
Principal Investigator: Dr. Subhamay Saha
Co-investigator:
Duration/Starting Year: 2021
Status: Completed

No Project Available!

No Data Available!