Eigengaps for hub-dominant matrices

Lixin Shen, Bruce W. Suter

Research output: Contribution to journal › Article › peer-review

Abstract

Hub-dominant matrices are natural extensions of hub matrices. In this article we study eigengaps of the Gram matrix associated with a hub-dominant matrix. A class of hub-dominant matrices is then constructed by using equiangular tight frames.

Original languageEnglish (US)
Pages (from-to)1227-1242
Number of pages16
JournalApplicable Analysis
Volume90
Issue number8
DOIs
StatePublished - Aug 1 2011

Keywords

  • Arrowhead matrices
  • Eigengaps
  • Equiangular tight frames
  • Hub matrices

ASJC Scopus subject areas

  • Analysis
  • Applied Mathematics

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