D. Q. Granario, Products and sums of coninvolutory matrices. Linear Algebra and its Applications 735 (2026) 175–187.

D. Q. Granario, T.-Y. Tam, Products of symplectic positive definite matrices. Linear Algebra and its Applications 626 (2021) 188–203.

R. J. de la Cruz, D. Q. Granario, Products of symplectic normal matrices. Linear Algebra and its Applications 543 (2018) 162–172.

R. J. de la Cruz, D. Q. Granario, The $\phi_S$ polar decomposition when the cosquare of $S$ is nonderogatory. Electronic Journal of Linear Algebra 31 (2016) 754–764.

D. Q. Granario, D. I. Merino, A. T. Paras, The sum of two $\phi_S$ orthogonal matrices when $S^{-T}S$ is normal and $-1 \notin \sigma(S^{-T}S)$. Linear Algebra and its Applications 495 (2016) 67–89.

D. Q. Granario, D. I. Merino, A. T. Paras, The $\psi_S$-polar decomposition when the cosquare of $S$ is normal. Linear Algebra and its Applications 495 (2016) 51–66.

D. Q. Granario, D. I. Merino, A. T. Paras, The $\phi_S$ polar decomposition when the cosquare of $S$ is normal. Linear Algebra and its Applications 467 (2015) 75–85.

D. Q. Granario, D. I. Merino, A. T. Paras, The $\phi_S$ polar decomposition. Linear Algebra and its Applications 438 (2013) 609–620.