When is a product of EP elements again EP?
Abstract
In this paper, we give necessary and sufficient conditions for a product of EP elements to be EP, in Dedekind-finite ∗-rings. The proofs rely on descriptions of Morita contexts (via Peirce matrix forms) as corner rings of 2×2 matrix rings.
Fields of Study & Subjects
Rings
Modules
and Algebras
Matrix Theory and Algorithms
Advanced Topics in Algebra
Publication details
- Journal / source
- Linear and Multilinear Algebra
- Volume
- 74
- Issue
- 3
- Pages
- 242–254
- Publication date
- 28 January 2026
- Language
- EN