%0 Journal Article %A Ling Zhang and Ting-Zhu Huang %D 2011 %J International Journal of Mathematical and Computational Sciences %B World Academy of Science, Engineering and Technology %I Open Science Index 60, 2011 %T Sign Pattern Matrices that Admit P0 Matrices %U https://publications.waset.org/pdf/11775 %V 60 %X A P0-matrix is a real square matrix all of whose principle minors are nonnegative. In this paper, we consider the class of P0-matrix. Our main aim is to determine which sign pattern matrices are admissible for this class of real matrices. %P 1960 - 1963