Campuses:

Queues

Wednesday, May 16, 2018 - 11:00am - 11:30am
Sherwin Doroudi (University of Minnesota, Twin Cities)
We consider a call center that can offload (or co-source) some or all of its arriving customers to an external provider. These customers are impatient—in the sense that they will eventually abandon the queue if left unserved—and arrive according to a non-stationary but known arrival pattern during a finite time horizon. By co-sourcing customers, the call center can reduce delays and curtail customer abandonment, however for each customer the call center co-sources, the call center must pay the external provider a price based on the time of transfer.
Thursday, January 17, 2013 - 3:15pm - 4:05pm
Kavita Ramanan (Brown University)
Finite-dimensional diffusions have been successfully used as tractable approximations to gain
insight into a large class of queueing systems. We show that certain classes of queueing
systems lead naturally to infinite-dimensional diffusion approximations.
For the particular model of many-server queues, we show that the limit state process
converges to the solution of a stochastic partial differential equation subject to an unusual boundary
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