Retrial queueing systems represent a class of models in which arriving customers, upon encountering a busy or unavailable server, enter a virtual waiting room—commonly referred to as an orbit—to ...

Retrial queueing systems represent a specialised branch of queueing theory where customers, upon encountering a busy server, do not simply abandon the process but instead join an external queue or ...

It is proved that, for a large class of stable stationary queueing systems with renewal arrival processes and without losses, a necessary condition for the departure process also to be a renewal ...

Single-server-single-queue-FIFO-discipline queueing systems are considered in which at most a finite number of customers N can be present in the system. Service and arrivai rates are taken to be ...

Ever since Google announced that access to its then-new email application Gmail would be invite-only at first, startup founders have been angling to reproduce that same kind of fervor for their own ...

We’ve all been in queues that seem to last forever, especially if we choose our queue at the checkout and the one next to ours is moving faster. You know the existential dread that comes along with ...