In this paper, we investigate a single-server Poisson input queueing model, wherein arrivals of units are in bulk. The arrival rate of the units is state dependent, and service time is arbitrary distributed. It is also assumed that the system is subject to breakdown, and the failed server...

This investigation deals with single server queueing system wherein the arrival of the units follow Poisson process with varying arrival rates in different states and the service time of the units is arbitrary (general) distributed. The server may take a vacation of a fixed duration or may...

In this paper, we emphasize environmental cooperation, which has been viewed as a crucial relational competence to enable the design and execution of green supply chain management (GSCM) based on a strategic plan. Caputo type fractional order derivative-based three echelon supply chain model is...