Bi-Connected Component
A maximal subgraph of an undirected graph such that any two edges in the subgraph lie on a common simple cycle.
See also
Strongly Connected ComponentExplore with Wolfram|Alpha
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Cite this as:
Weisstein, Eric W. "Bi-Connected Component." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Bi-ConnectedComponent.html