The explicit formula for (k+l)-uniform linear acyclic hypergraphs and the counting series for unlabeled (k +1)-uniform linear acyclic hypergraphs are obtained.
基金This work was supported by the National Natural Science Foundation of China (Grant No. 19771040)and the Natural Science Foundation of Guangdong Province.
文摘The explicit formula for (k+l)-uniform linear acyclic hypergraphs and the counting series for unlabeled (k +1)-uniform linear acyclic hypergraphs are obtained.