International Journal of Computational and Applied Mathematics
  • Year: 2009
  • Volume: 4
  • Issue: 1

Some Characteristics on s-normal Matrices

  • Author:
  • S. Krishnamoorthy1, R. Vijayakumar2
  • Total Page Count: 5
  • Page Number: 41 to 45

1Department of Mathematics, Government Arts College (Autonomous), Kumbakonam – 612 001, Tamil Nadu, India.

2Department of Mathematics, Srinivasa Ramanujan Centre, SASTRA University, Kumbakonam – 612 001, Tamil Nadu, India.

AMS classifications: 15A09, 15A57

Abstract

Concept of s-unitary matrices is introduced. A list of about 25 conditions on an nxn complex matrix A, each of which is equivalent to A being s-normal, is presented.

Keywords

Conjugate secondary transpose, invertible, nonsingular matrix and eigenvector