We study a simple network with two parallel batch service queues, where service at a queue commences when the batch is full and each queue is served by infinitely many servers. A stream of general arrivals observe the current state of the system on arrival and choose which queue to join to minimize their own expected transit time. We show that for each set of parameter values there exists a uni...

We survey recent papers on the problem of backward dynamics in economics, providing along the way a glimpse at the economics perspective, a discussion of the economic models and mathematical tools involved, and a list of applicable literature in both mathematics and economics. Lı́mites inversos, Economı́a y Dinámica Regresiva Resumen. Examinamos artı́culos recientes sobre el problema de la dinámic...

background: dental fear leads to lack of child cooperation. in general, without the patient's cooperation, success in remedy is impossible. this study aimed to evaluate parental view about the origins of the dental fear in children as well as their view about factors contributing to the prevention of child dental fear. methods: this was a cross sectional descriptive and analytical study which w...

Background: Fear of falling is common amongst older adults, especially those who live in nursing homes. This study aimed to determinate factors associated with fear of falling and functional independence in older adults living in nursing homes. Methods: This was a cross-sectional study using a convenience sampling method to enroll 200 older adults living in nursing homes from 25 senior cente...