Abstract: The flexible job shop scheduling problem is a typical NP-hard problem, which has strong guiding significance for production scheduling in enterprises. In this paper, we propose an improved ...

Abstract: A mathematical model is developed for the dual resource constrained flexible job-shop scheduling problem (DRCFJSP), considering worker proficiency and preparation times of jobs on machines ...

California’s plan to hit its richest residents with a one-off wealth tax is a long shot, and its design has problems. But a look at who picks up the tab when billionaires scrimp on taxes, and how ...