Nostalgia, a sentimental longing for a personally experienced and valued past, is a social emotion. It refers to significant others in the context of momentous life events and fosters a sense of social connectedness. On this basis, the authors hypothesized that (1) nostalgia promotes charitable...

Zhang G., Xu Q. and Liu X. Knowledge diffusion within the Datang sock-manufacturing cluster in China, Regional Studies. In this paper, a cognitive community-based analytic framework is established to investigate intra-cluster knowledge diffusion. The results from both a case study on a...

In this paper, we investigate the estimation of conditional density function based on the single-index model for functional time series data. The asymptotic normality of the conditional density estimator and the conditional mode estimator for the α mixing dependence functional time series data...

The fixed mirror solar collector (FMSC) fixes reflector and mobiles receiver to collect solar energy. However, this type of concentrator has a low efficiency and short operating duration in practical applications. In this paper, we propose to install the FMSC on an azimuth tracking device...