Carlson, David; Datta, B. N.; Schneider, Hans On the controllability of matrix pairs (A,K) with K positive semidefinite. (English) Zbl 0561.15009 SIAM J. Algebraic Discrete Methods 5, 346-350 (1984). Reviewer: J.A.Ball MSC: 15A42 93B05 15A24 15A18 PDFBibTeX XMLCite \textit{D. Carlson} et al., SIAM J. Algebraic Discrete Methods 5, 346--350 (1984; Zbl 0561.15009) Full Text: DOI Link
Carlson, David; Datta, B. N.; Johnson, Charles R. A semi-definite Lyapunov theorem and the characterization of tridiagonal D-stable matrices. (English) Zbl 0541.15008 SIAM J. Algebraic Discrete Methods 3, 293-304 (1982). MSC: 15A42 PDFBibTeX XMLCite \textit{D. Carlson} et al., SIAM J. Algebraic Discrete Methods 3, 293--304 (1982; Zbl 0541.15008) Full Text: DOI