We study square matrices which are products of simpler factors with the property that any ordering of the factors yields a matrix cospectral with the given matrix. The results generalize those obtained previously by the authors.
Department of Mathematics and Statistics, Georgia State University, Atlanta, GA 30303, USA
Bibliografia
[1] M. Fiedler, A note on companion matrices, Linear Algebra Appl. 372 (2003), 325–331.
[2] M. Fiedler, Complementary basic matrices, Linear Algebra Appl. 384 (2004), 199–206.
[3] M. Fiedler, Intrinsic products and factorizations of matrices, Linear Algebra Appl. 428 (2008), 5–13. [WoS]
[4] M. Fiedler and F. J. Hall, Some inheritance properties for complementary basic matrices, Linear Algebra Appl. 433 (2010), 2060–2069. [WoS]
[5] M. Fiedler and F. J. Hall, G-matrices, Linear Algebra Appl. 436 (2012), 731–741.
[6] M. Fiedler and F. J. Hall, A note on permanents and generalized complementary basic matrices, Linear Algebra Appl. 436 (2012), 3553–3569. [WoS]
[7] M. Fiedler and F. J. Hall, Some graph theoretic properties of generalized complementary basic matrices, Linear Algebra Appl. 438 (2013), 3365–3374. [WoS]
[8] M. Fiedler and F. J. Hall, Combinatorial aspects of generalized complementary basic matrices, to appear in Central European Journal of Mathematics. [WoS]
[9] M. Fiedler, F. J. Hall, and M. Stroev, Permanents, determinants, and generalized complementary basic matrices, to appear in Operators and Matrices.