【作者单位】1Department of Mathematics, Taiyuan Normal University, Taiyuan, Shanxi, China;2Department of Mathematical Sciences, The University of Puerto Rico, Mayaguez, PR 00681, USA
【摘要】 A tournament matrix and its corresponding directed graph both arise as a record of the outcomes of a round robin competition. An n × n complex matrix A is called h-pseudo-tournament if there exists a complex or real nonzero column vector h such that ...
