Continuous spectrum- and commutativity-preserving maps on normal matrices with spectra in a given interval image are conjugations, transpose conjugations, or spectrum orderings with fixed eigenspaces.
Jordan embeddings and linear rank preservers of structural matrix algebras.Linear Algebra Appl., 707:1–48
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
math.SP 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
citing papers explorer
-
The combinatorics of permuting and preserving curve-bound spectra
Continuous spectrum- and commutativity-preserving maps on normal matrices with spectra in a given interval image are conjugations, transpose conjugations, or spectrum orderings with fixed eigenspaces.