Research

Publications & Working Papers

Efficient Allocation of Load-Balancing and Differentiation Tasks in Tandem Queue Services
Mohammad Delasay, Mustafa Akan
Annals of Operations Research, 2024 (forthcoming)

Prioritization in the Presence of Self-ordering Opportunities in Omnichannel Services (e-companion)
Kang Kang, Sherwin Doroudi, Mohammad Delasay
Production and Operations Management, 2024, 33(3); 737-756
https://doi.org/10.1177/10591478241231874

Delay Information Sharing in Two-Sided Queues
Mehmet Berat Aydemir, Mohammad Delasay, Siddharth Prakash Singh, Mustafa Akan
Last revision: August 2023

Efficient and Accurate Lyapunov function-based Truncation Technique for Multi-dimensional Markov Chains with Applications to Discriminatory Processor Sharing and Priority Queues
Gagan Somashekar, Mohammad Delasay, Anshul Gandhi
Performance Evaluation, 2023, 162
https://doi.org/10.1016/j.peva.2023.102356

🏆 A Queueing-Theoretic Framework for Evaluating Transmission Risks in Service Facilities During a Pandemic (e-companion)
Kang Kang, Sherwin Doroudi, Mohammad Delasay, Alexander Wickeham
Production and Operations Management, 2023, 32(5); 1453-1470
https://doi.org/10.1111/poms.13675
Best Paper Award: POMS College of Humanitarian Operations and Crisis Management (HOCM), POMS Annual Conference 2022

🏆 Real-Time Delay Announcement Under Competition
Siddharth Prakash Singh, Mohammad Delasay, Alan Scheller-Wolf
Production and Operations Management, 2023, 32(3); 863-881
https://doi.org/10.1111/poms.13903
IBM Best Student Paper Award Finalist: INFORMS Annual Meeting 2016

Truncating Multi-Dimensional Markov Chains with Accuracy Guarantee
Gagan Somashekar, Mohammad Delasay, Anshul Gandhi
Proceedings of the IEEE 30th International Symposium on the Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS), 2022; 121-128
https://doi.org/10.1109/MASCOTS56607.2022.00024

Scalable Load Balancing in Interference-prone Queueing Systems
Jazeem Abdul Jaleel, Sherwin Doroudi, Mohammad Delasay
Latest revision: October 2022

Impacts of the COVID-19 Pandemic on Grocery Retail Operations: An Analytical Model
Mohammad Delasay, Aditya Jain, Subodha Kumar
Production and Operations Management, 2022, 31(5); 2237-2255
https://doi.org/10.1111/poms.13717

A Marginal Analysis Framework to Incorporate the Externality Effect of Ordering Perishables
Katsunobu Sasanuma, Mohammad Delasay, Christine Pitocco, Alan Scheller-Wolf, Thomas Sexton
Operations Research Perspectives, 2022, 9
https://doi.org/10.1016/j.orp.2022.100230

The Value of mHealth for Managing Chronic Conditions
Saligrama Agnihothri, Leon Cui, Mohammad Delasay, Balaraman Rajan
Health Care Management Science, 2020, 23(2); 185-202
https://doi.org/10.1007/s10729-018-9458-2

Optimal Markovian Dynamic Control of Interference-Prone Server Farms
Scott Votke, Jazeem Abdul Jaleel, Suresh Amoghavarsha, Mohammad Delasay, Sherwin Doroudi, Anshul Gandhi
Proceedings of the IEEE 27th International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS), 2019; 295-308
https://ieeexplore.ieee.org/document/8842964, Online Appendix

Tighter Lyapunov Truncation for Multi-Dimensional Continuous-Time Markov Chains with Known Moments
Gagan Somashekar, Mohammad Delasay, Anshul Gandhi
ACM Sigmetrics Performance Evaluation Review, 2019; 33-35
https://doi.org/10.1145/3374888.3374901

Load Effect on Service Times
Mohammad Delasay, Armann Ingolfsson, Bora Kolfal, Kenneth Schultz
European Journal of Operational Research, 2019, 279(3); 673-686
https://doi.org/10.1016/j.ejor.2018.12.028

🏆 Modeling Load and Overwork in Queueing Systems with Adaptive Service Rates
Mohammad Delasay, Armann Ingolfsson, Bora Kolfal
Operations Research, 2018, 64(4); 867-885
https://doi.org/10.1287/opre.2016.1499
Best Student Paper Award Finalist: Canadian Operational Research Society (CORS) Annual Conference 2014

Inventory Is People: How Load Affects Service Times in Emergency Response
Mohammad Delasay, Armann Ingolfsson, Kenneth Schultz
In Cross-Functional Inventory Research, World Scientific, 2016; 21-50
https://doi.org/10.1142/9789813144347_0002

Maximizing Throughput in Finite-Source Parallel Queue Systems
Mohammad Delasay, Bora Kolfal, Armann Ingolfsson
European Journal of Operational Research, 217(3), 2012; 554-559
https://doi.org/10.1016/j.ejor.2011.09.041

An Integrated Approach for Fuzzy Project Evaluation Considering Monetary and Non-monetary Criteria
Masoud Rabbani, Neda Manavi Zadeh, Mohammad Delasay, Amir Hossein Gharegozli
In Key Factors for Successful Logistics: Services, Transportation Concepts, IT and Management Tools, Erich Schmidt Verlag GmbH & Co KG 5, 2007

A Fuzzy Approach for Projects Evaluation and Selection; An Iranian Auto Manufacturer Case Study
Iraj Noravesh, Mohammad Delasay, Faegh Salehi
Iranian Economic Review, 11(15), 2006; 171-185
https://doi.org/10.22059/IER.2006.30855

Projects Evaluation and Selection for Investment Using Integrated AHP and DEA Approaches
Mohammad Delasay, Masoud Rabbani, Asghar Vazifeh
Proceedings of the 35th International Conference on Computers and Industrial Engineering, 2005; 1597-1602.