【摘要】 本文给出了图与其补图Q谱半径之和的一个上界,并给出了半正则二部图与其补图Q谱半径之和的上下界。更多还原

【Abstract】 In this paper, the upper bounds of the sum of the Q Spectral radius of a graph and its complement are given. At the same time the upper bound and lower bound of the Sum of the Q spectral radius of a semiregular bipartite graph and its complement are also given.更多还原