By discussing the local convergence and local continuous in locally convex Spaces, some new sufficient and essential conditions are given on C-locally sequential Spaces.
通过对局部凸空间中局部收敛与局部连续的讨论，给出了C -局部序列空间的一些新的充分必要条件。
2
We obtain a sufficient condition and a essential - sufficient condition about convergence at the end point of the convergence interval of power series.
通过对阿贝尔定理的深入探讨，获得了幕级数在其收敛区间端点收敛的一些判别条件。
3
One of essential characteristics to the urbanization is urban economic spatial concentration or convergence, which academic circles and government departments can't know enough.