A multi-server infinite buffer queueing system with additional servers (assistants) providing help to the main when they encounter problems is considered as model of real-world systems customers’ self-service. Such are widely used in many areas human activity. An arrival flow assumed be novel essential generalization known Markov Arrival Process (MAP) case dynamic dependence parameters MAP on r...

Abstract The region where the main asteroid belt is now located may have started empty, to become populated early in history of Solar system with material scattered outward by terrestrial planets and inward giant planets. These dynamical pathways toward still be active today. Here, we present results from a data mining experiment aimed at singling out present-day members that reached during las...

Air transport is an essential component of the tourism industry, and number, frequency, capacity flight connections may influence level demand, especially for island destinations. This paper evaluates air on arrivals to selected islands in seven southern European Union countries determine nature relationship between tourist transport, specifically, whether services generate demand or merely ena...

London Heathrow airport is one of the busiest airports in the world as it is very popular with both airlines and passengers. The capacity of the departure system at Heathrow is limited by the capacity of the runway. It is therefore imperative to maximise the throughput of the single available departure runway. Aircraft taxi from the stands to the ends of the runway where they queue in holding p...