The central extension of the (1+1)-dimensional Poincaré algebra by including fermionic charges which obey not supersymmetric algebra, but a special graded algebra containing in the right hand side a central eleme...The central extension of the (1+1)-dimensional Poincaré algebra by including fermionic charges which obey not supersymmetric algebra, but a special graded algebra containing in the right hand side a central element only is obtained. The corresponding theory being the fermionic extension of the lineal gravity is proposed. We considered the algebra of generators, the field transformations and found Lagrangian and equation of motion, then we derived the Casimir operator and obtained the con- stant black hole mass.展开更多
Household structure is an important aspect of family change during China’s modernization process.Existing literature has demonstrated significant associations between various factors and household structure,but the s...Household structure is an important aspect of family change during China’s modernization process.Existing literature has demonstrated significant associations between various factors and household structure,but the spatial variation in these relationships has not been examined.Using the 2010 Chinese population census data and geographically weighted regression(GWR)model,this study explored the spatial patterns of three-generation lineal households,a functionally important household type in China,and its influencing factors.There was significant heterogeneity in the distribution of three-generation lineal households.Socioeconomic,demographic,and cultural factors were all significantly related to the proportion of three-generation lineal households,but the relationships are place-specific in terms of direction and magnitude.These results suggest that the distribution of Chinese household structures cannot be explained by a single framework of family modernization theory but is determined by the interplay of various local characteristics.Especially,population migration plays an equally important role in affecting household structure than socioeconomic development in China.This work contributes to the family literature by highlighting the spatial heterogeneity in the impact of varying factors on household structure.Beyond the classic modernization theory,it sets a contextualized framework for understanding how Chinese household change in response to the rapid social transformation.展开更多
文摘The central extension of the (1+1)-dimensional Poincaré algebra by including fermionic charges which obey not supersymmetric algebra, but a special graded algebra containing in the right hand side a central element only is obtained. The corresponding theory being the fermionic extension of the lineal gravity is proposed. We considered the algebra of generators, the field transformations and found Lagrangian and equation of motion, then we derived the Casimir operator and obtained the con- stant black hole mass.
基金National Social Science Foundation of China,No.20BRK043。
文摘Household structure is an important aspect of family change during China’s modernization process.Existing literature has demonstrated significant associations between various factors and household structure,but the spatial variation in these relationships has not been examined.Using the 2010 Chinese population census data and geographically weighted regression(GWR)model,this study explored the spatial patterns of three-generation lineal households,a functionally important household type in China,and its influencing factors.There was significant heterogeneity in the distribution of three-generation lineal households.Socioeconomic,demographic,and cultural factors were all significantly related to the proportion of three-generation lineal households,but the relationships are place-specific in terms of direction and magnitude.These results suggest that the distribution of Chinese household structures cannot be explained by a single framework of family modernization theory but is determined by the interplay of various local characteristics.Especially,population migration plays an equally important role in affecting household structure than socioeconomic development in China.This work contributes to the family literature by highlighting the spatial heterogeneity in the impact of varying factors on household structure.Beyond the classic modernization theory,it sets a contextualized framework for understanding how Chinese household change in response to the rapid social transformation.
