The local equivalence principle and its action on construction of the renormalizable Lagrangian of the quadraticcurvature theory of gravity is discussed by using the normal coordinates.
利用法坐标对局部等效原理、以及局部等效原理在构造曲率平方可重整拉氏量中的作用进行了论证。
2
In order to improve the image quality of mesh simplification, a mesh simplification algorithm using quadratic error metrics was provided based on discrete curvature.