A new branch of hypergraph theory-directed hyperaph theory and a kind of new methods-dicomposition contraction(DCP, PDCP and GDC) methods are presented for solving hypernetwork problems.

• 提出了超图理论的一个新分支-有向超图理论和一类新方法-分解收缩（DCP，PDCP和GDC）法，用于示解超网络问题。