3 papers
math.SP2024
Stability of quaternion matrix polynomials
Pallavi Basavaraju, Shrinath Hadimani, Sachindranath Jayaraman
A right quaternion matrix polynomial is an expression of the form , where 's are quaternion matrices with .…
math.SP2024
On coneigenvalues of quaternion matrices: location and perturbation
Pallavi Basavaraju, Shrinath Hadimani, Sachindranath Jayaraman
We derive some localization and perturbation results for coneigenvalues of quaternion matrices. In localization results, we derive Geršgorin type theorems for right and left coneig…
math.SP2023
Bounds on the moduli of eigenvalues of rational matrices
Pallavi Basavaraju, Shrinath Hadimani, Sachindranath Jayaraman
A rational matrix is a matrix-valued function such that , where are scala…