1) Connected ring
连通环
2) cyclic connectivity
环连通度
1.
The relation between cyclic edge-connectivity and cyclic connectivity of a 3-regular connected graph G is studied.
研究了一般3-正则连通图G的环边连通性和环连通性之间的关系,证明了G的环边连通度等于其环连通度。
3) connected circulant graphs
连通循环图
1.
The upper limit of band width B(G ) of connected circulant graphs G=C n(j 1,j 2,…,j r 〉 is given as B(G)≤2j r .
给出了连通循环图G=Cn〈j1,j2,…,jr〉带宽B(G)的上界,即B(G)≤2jr,并研究得到了四度连通循环图G1=Cm1m2〈k1m1,k2m2〉的带宽B(G1)=2min(m1,m2)(m1=gcd(m1m2,j1),m2=gcd(m1m2,j2)),及五度连通循环图G2=Cm1m2〈j1,j2,m1m2/2〉的带宽B(G2)=4min(m1,m2)(2m1=gcd(m1m2,j1),2m2=gcd(m1m2,j2))。
4) annulus access line
环空连通管
5) cyclic edge-connectivity
环边连通度
1.
The relation between cyclic edge-connectivity and cyclic connectivity of a 3-regular connected graph G is studied.
研究了一般3-正则连通图G的环边连通性和环连通性之间的关系,证明了G的环边连通度等于其环连通度。
6) cyclic vertex-connectivity
环点连通度
1.
Further,the relation between the cyclic connectivity and the cyclic vertex-connectivity of G is discussed.
讨论了G的环连通度与环点连通度之间的关系,指出当G的顶点个数不少于其环连通度的6倍时,其环连通度等于其环点连通度。
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