collaborators

5 papers

math.OC2026

Maximizing Throughput in an M/G/1 Queue with Customer Abandonments

Runhua Wu, Hayriye Ayhan, Douglas G. Down

This paper studies the problem of identifying the optimal server assignment policy in single-server queues with customer abandonment. We consider a system with Poisson arrivals and…

math.OC2026

Pricing in Queues with Abandonments: Optimal Policies and Practical Heuristics

Jieqi Di, Sigrún Andradóttir, Hayriye Ayhan

We investigate the optimal pricing strategy in a service-providing framework, where customers can leave the system prior to service completion. In this setting, a price is quoted t…

cs.PF2026

Multiserver-job Response Time under Multilevel Scaling

Isaac Grosof, Hayriye Ayhan

We study the multiserver-job setting in the load-focused multilevel scaling limit, where system load approaches capacity much faster than the growth of the number of servers . W…

math.PR2026

Collaboration versus Specialization in Service Systems with Impatient Customers

Bihan Chatterjee, Sigrún Andradóttir, Hayriye Ayhan

We study tandem queueing systems in which servers work more efficiently in teams than on their own and customers are impatient in that they may leave the system while waiting for s…

math.OC2025

Service Rate Control in Queues with Abandonments

Runhua Wu, Hayriye Ayhan

We consider a Markovian single server queue with impatient customers. There is a customer abandonment cost and a holding cost for customers in the system. We consider two versions…