Teshome, Zelalem (PhD)Giovanni, Teumezghi2020-10-152023-11-042020-10-152023-11-042020-06-06http://etd.aau.edu.et/handle/123456789/22743A square matrix A is called diagonally singularizable if / A-S/ < holds for some singular matrix S (I is the identity matrix). The project brings several necessary and/or sufficient conditions for diagonal singularizability and demonstrates another specific feature, namely existence of diagonal singularizability-preserving operations and a theorem of symmetric alternative.enDiagonallySingularizableMatricesThesis