2 papers
math.FA2024
Conjugating by singular operators: On the boundedness of similarity transforms near singular points
Daniel Falkowski, Carl-Fredrik Lidgren
We consider the question of, given operators , and a sequence of invertible operators , whether the sequence is bounded in norm, as well as generali…
math.NA2024
On joint eigen-decomposition of matrices
Erik Troedsson, Daniel Falkowski, Carl-Fredrik Lidgren +2
The problem of approximate joint diagonalization of a collection of matrices arises in a number of diverse engineering and signal processing problems. This problem is usually cast…