Isoperimetric inequality for sphere and ellipsoid is discussed, and the isoperimetric inequality of some region satisfying certain conditions is given.
The article expounds the application sphere of some elements in analysing food by using the method of atomical spectrum assimilation, and expounds the making of samples by offering examples.
In this paper , a rigidity theorem of hypersurface in real space form will begiven.In addition, we obtain rigidity theorems of submanifold in sphere which improvethe result of Hou and Xu.
All men have their spheres of action, while I alone seem dull and incapable, like a rude borderer. (Thus) I alone am different from other men, but I value the nursing-mother (the Tao).