超图（Hypergraph）是什么
含猪的成语
超图（Hypergraph）是什么
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简单的来说，对于我们熟悉的图⽽⾔，它的⼀个边（edge）只能和*两个*顶点连接；⽽对于超图来讲，⼈们定义它的边（这⾥叫超
边，hyperedge）可以和任意个数的顶点连接。⼀个图和超图的⽰意图如下所⽰：钢铁是怎样炼成的读书笔记摘抄
⽽对于超图的⼀个严格的数学定义，维基百科上是这样写的：
撩人In mathematics, a hypergraph is a generalization of a graph, where an edge can connect any number of vertices. Formally, a hypergraph H is a pair H=(X,E) where X is a t of elements, called nodes or vertices, and E is a t of non-empty subts of X called hyperedges or links.
k-均匀超图（k-uniform hypergraph）
对于超图⽽⾔，还有⼀个k-均匀超图的概念（k-uniform hypergraph）。它指超图的每个边连接的顶点个
数都是相同的，即为个数k。所以2-均匀超图就是我们传统意义上的图，3-均匀超图就是⼀个三元组的集合，以此类推。
李逵劈鱼
While graph edges are pairs of nodes, hyperedges are arbitrary ts of nodes, and can therefore contain an arbitrary number of nodes. However, it is often uful to study hypergraphs where all hyperedges have the same cardinality: a k-uniform hypergraph is a hypergraph such that all its hyperedges have size k. (In other words, it is a collection of ts of size k.) So a 2-uniform hypergraph is a graph, a 3-uniform hypergraph is a collection of triples, and so on
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