把拟凹推广到锥拟凹，证明了锥弱有效解集仍是连通的。
The quasiconcave was extended to the cone-quasiconcave, and the cone weak efficient solution set was still connected.
也证明了弱整体有限的凝聚环是约化环，以及弱整体为有限的凝聚连通环是整环。
It is also proved that a coherent connected ring with finite weak global dimension is a domain.
同时证明了新提出的两个局部弱连通性概念分别是原有的两个局部连通性概念的扩展。
In addition, it is proved that the two kinds of algorithms based on local weak-connectivity concepts are extensions of the algorithms based on the two kinds of local connectivity concepts.
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