Abbott定理的改进

Improvement on Abbott's theorem

改进Abbott的结果，得到α（G［H］）＝α（G）α（H）．其中G（H）表示G，H的合成图，α（G）表示G的独立数．

This paper improves the results of Abbott, and α(G[H]) = α(G)α(H) is obtained, where G(H) denotes composition graph of G with H and α(G) denotes independentnumber of G.