Displacement structure of group inverses

Yimin Wei*, Michael K. Ng

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

17 Citations (Scopus)

Abstract

A matrix A is said to possess an UV-displacement structure if rank(AU - VA) is small compared with the rank of A. Estimates for the rank AgV - UAg are presented, where Ag is the group inverse of A.

Original languageEnglish
Pages (from-to)103-110
Number of pages8
JournalNumerical Linear Algebra with Applications
Volume12
Issue number2-3
DOIs
Publication statusPublished - Mar 2005

Scopus Subject Areas

  • Algebra and Number Theory
  • Applied Mathematics

User-Defined Keywords

  • Displacement structure
  • Group inverse
  • Jordan canonical form

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