Open problems on GKK tau-matrices

Abstract

We propose several open problems on GKK tau-matrices raised by examples showing that some such matrices are unstable

To appear in Linear Algebra and its Applications (LAA)

References in corpus (1)

• Not all GKK $\tau$-matrices are stable

Cited by in corpus (6)

• Hyperdeterminantal relations among symmetric principal minors
• Set Theoretic Defining Equations of the Variety of Principal Minors of Symmetric Matrices
• Functions preserving nonnegativity of matrices
• Classification of families of pr- and epr-sequences
• The signed enhanced principal rank characteristic sequence
• The quasi principal rank characteristic sequence