Recent Papers

S. W. Drury, Fischer determinantal inequalities and Higham's Conjecture, Linear Algebra and its Applications, no. 10, 3129-3133, 2013.

S. W. Drury and M. Lin, Reversed Fischer determinantal inequalities, Linear and Multilinear Algebra, 62/8 pp1069--1075, 2014.

S. W. Drury and M. Lin, Singular value inequalities for matrices with numerical ranges in a sector, Operators and Matrices, 8:4, pp1143--1148, 2014.

S. W. Drury, Principal Powers of Matrices with Positive Definite Real Part, Linear and Multilinear Algebra, 63/2, pp296--301, 2015.

S. W. Drury, Positive semidefiniteness of a 3 by 3 matrix related to partitioning, Linear Algebra and its Applications, 446, pp369--376, 2014.

S. W. Drury and H. Lin, On graphs with near minimal distance energy, Linear Algebra and its Applications, 477, pp76--101, 2015.

S. W. Drury and H. Lin, Colorings and spectral radius of digraphs, Discrete Math., 339/1 (2016), 327--332.

S. W. Drury, A counterexample to a question of Bapat and Sunder, Electronic Journal of Linear Algebra, 31, (2016) 69--70.

S. W. Drury, A real counterexample to two inequalities involving permanents, Mathematical Inequalities & Applications, 20, (2017) 349--352.

S. W. Druryand and H. Lin, Some graphs determined by their distance spectrum, Electronic Journal of Linear Algebra 34, (2018) 320--330.

S. W. Druryand and H. Lin, Corrigendum to "Colorings and spectral radius of digraphs" [Discrete Math. 339 (1) (2016) 327--332.], Discrete Mathematics 342/11 (2019) 3237--3241.

S. W. Drury, The triangle graph T6 is not SPN, Electronic Journal of Linear Algebra, to appear.