This article examines the regional and temporal variations in public fiscal effort in education in the USA, which is a gauge of state-level investment in relation to economic capacity. Data from 2006 ...

Abstract: Influenced by dynamic environmental factors, the degradation rates of products often vary with initial levels. However, most existing degradation models assume a fixed or zero starting point ...

Introduction Osteoporosis and fragility fracture are more frequently found in systemic lupus erythematosus (SLE) patients ...

Abstract: In this paper, the model reduction approach is investigated for discrete-time linear coupled systems with input delays. For this purpose, a new class of fundamental matrices is presented for ...