In this paper, a novel projection-based depth based on the Rayleigh quotient, Rayleigh projection depth (RPD), is proposed. Although, the traditional projection depth (PD) has many good properties, it is indeed not practical due to its difficult computation, especially for the high-dimensional...

In recent decades, the large influx of immigrants to the U.S. and other developed countries has made cities in these countries more ethnically diverse. In this paper, I aim to understand whether and how ethnic diversity affects communities in these cities. A general equilibrium model is built in...

This study aimed to explore the combustion kinetics of organic matter in Huadian oil shale using thermogravimetric analysis. Increases in particle size or heating rate shifted the combustion process to a higher temperature, because of mass transfer resistance and thermal hysteresis. An...