The volume element densityΩ, as it is evident from its definition in (2), transforms as scalar density under general coordinate reparametrizations on the manifold. In RiemannianD-dimensional spacetime manifolds a standard generally-covariant volume-form is defined through the “D-bein” (frame-bun...
DELUXE SUITE #313 YEAR ROUND The Artists LILIYA POBORNIKOVA is a Bulgarian awarded sculptor living in Spain. Her artwork ranges from smaller-scale art to monumental sculptures and landscape projects in a vast variety of materials such as stone, wax, wood, ice and snow. Pobornikova is a ...
Pelé Went from Poverty to Football Superstardom 贝利:从穷小子到大球星 译/ 朱瑞旻 He was just a boy, only 17. Yet in the World Cup final of 1958 Edson Arantes do Nascimento, better known as Pelé, showed the poise1 and supreme skill that would mark his career. As Brazil led Sweden,...