Journal of Applied Sciences ›› 1999, Vol. 17 ›› Issue (3): 334-336.

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The Oppenheim's Inequality for Fan Products of M-Matrices

YANG ZHONGPENG, LIU JICHUN   

  1. Jilin Teachers College, Jilin 132013
  • Received:1997-12-10 Revised:1998-11-09 Online:1999-09-30 Published:1999-09-30

Abstract: In this paper we give a generalization of the Oppenheim's inequality for Fan product of two M-matrices. Our result strengthens known those obtained by T.Ando, Huang Tinzhu respectively.

Key words: Oppenheim's inequality, M-matrix, Fan product, determinant