The Chinese authorities have launched a range of policies and incentives at the national and regional level to attract citizens who have studied and worked abroad to return in order to contribute to upgrading the competitiveness of the Chinese economy, particularly in light of China's entrance...

Trees play an important part in landscaping as well as thermal environment adjustment. This study selected a satellite city of Sichuan Province in China, Xindu, for field measurement about tree’s crown characteristics on their cooling performances on five sunny summer days during August 2019....

In this paper, we generate boundary value problems for ruin probabilities of surplus-dependent premium risk processes, under a renewal case scenario, Erlang (2) claim arrivals, and a hypoexponential claims scenario, Erlang (2) claim sizes. Applying the approximation theory of solutions of linear...