3) algebraic connectivity
代数连通度
1.
The ordering of limit point of algebraic connectivity of trees;
树的代数连通度极限点的排序(英文)
2.
Bound for the algebraic connectivity of Nordhaus-Gaddum type for unicyclic graphs;
单圈图的N-G型的代数连通度的界
3.
The ordering of bicyclic graphs by algebraic connectivity
双圈图的代数连通度排序(英文)
4) simply connected algebras
单连通代数
1.
The importance of representation-finite simply connected algebras has been widely noticed since it was firstly introduced by K.
Gabriel在1981/82年提出了有限维单连通代数的概念开始,有限维单连通代数的重要性已经被广泛地注意到。
5) Connected algebraic domain
连通代数Domain
6) connected algebraic group
连通代数群
补充资料:单连通和多(复)连通超导体(simplyandmultiplyconnectedsuperconductors)
单连通和多(复)连通超导体(simplyandmultiplyconnectedsuperconductors)
单连通超导体一般指的是不包含有非超导绝缘物质或空腔贯通的整块同质超导体,若有非超导绝缘物质或空腔贯通的超导体则称为多(复)连通超导体。从几何学上讲,在超导体外表面所包围的体积内任取一曲线回路,这回路在超导物质内可收缩到零(或点),且所取的任意回路均可收缩到零而无例外,则称单连通超导体。若有例外,即不能收缩到零,则称多连通超导体。例如空心超导圆柱体,则在围绕柱空腔周围取一回路就不能收缩为零。多连通超导体可有磁通量子化现象(见“磁通量子化”)。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条