One N -soliton solution of the (2+1)-dimensional combined potential Kadomtsev-Petviashvili (pKP) with B-type Kadomtsev-Petviashvili (BKP) equation, which involves the soliton molecules, is constructed with the aid of its Hirota bilinear form. These soliton molecules include the kink, lump and...

In the context of the application of artificial intelligence in an intellectual property trading platform, the number of demanders and suppliers that exchange scarce resources is growing continuously. Improvement of computational power promotes matching efficiency significantly. It is necessary...

The status of impoverished population and economic development in Qinling-Bashan Mountainous area, Shaanxi is introduced based on the brief account of its general situation. Firstly, there are a large proportion of rural people and great outflow of population; a considerable proportion of the...