Researches:

De la Cruz, R.J., Merino, D.I., & Paras, A.T., (2011) The ?S polar decomposition of matrices
Linear Algebra and its Applications Volume 434, No. 1

Merino, D.I., Paras, A.T., Reyes, E., & Walls, G., (2011) The sum of orthogonal matrices in M n Z k
Linear Algebra and its Applications Volume 434, No. 10

Merino, D.I., Paras, A.T., & Pelejo, D.C.P., (2010) On the ?J polar decomposition of matrices
Linear Algebra and its Applications Volume 432, No. 5

Abara, M.N.M., Merino, D.I., & Paras, A.T., (2010) ?S Orthogonal matrices
Linear Algebra and its Applications Volume 432, No. 11

Dato-on, J.E., Merino, D.I., & Paras, A.T., (2009) The ?J polar decomposition of matrices with rank 2
Linear Algebra and its Applications Volume 430, No. 2

Horn, D.Q., Merino, D.I., & Paras, A.T., (2009) The ψS polar decomposition
Linear Algebra and its Applications Volume 431, No. 8

Abara, M.N.M., Merino, D.I., & Paras, A.T., (2007) Skew-coninvolutory matrices
Linear Algebra and its Applications Volume 426, No. 2

Goodson, G.R., Horn, R.A., & Merino, D.I., (2003) Quasi-real normal matrices and eigenvalue pairings
Linear Algebra and its Applications Volume 369

Horn, R.A., & Merino, D.I., (1999) The Jordan Canonical Forms of complex orthogonal and skew-symmetric matrices
Linear Algebra and its Applications Volume 302-303, No. 1-3

Merino, D.I., & Sergeichuk, V.V., (1999) Littlewood's algorithm and quaternion matrices
Linear Algebra and its Applications Volume 298, No. 1

Horn, R.A., Li, C.-K., & Merino, D.I., (1996) Distances between the graphs of matrices
Linear Algebra and its Applications Volume 240

Horn, R.A., & Merino, D.I., (1995) Contragredient equivalence: A canonical form and some applications
Linear Algebra and its Applications Volume 214

Horn, R.A., Li, C.-K., & Merino, D.I., (1994) Linear Operators Preserving Complex Orthogonal Equivalence on Matrices
Siam Journal on Matrix Analysis and Applications Volume 15, No. 2

de la Rosa, K.L., Merino, D.I., & Paras, A.T., (2012) The J-Householder matrices
Linear Algebra and its Applications Volume 436, No. 5

Merino, D.I., Paras, A.T., & Teh, T.E.D., (2012) The ΛS- Householder matrices
Linear Algebra and its Applications Volume 436, No. 7

Li, C.-K., & Merino, D.I., (1993) Linear operators preserving unitary t-congruence (orthogonal similarity) on complex (real) Matrices
Linear and Multilinear Algebra Volume 35, No. 2

Horn, R.A., & Merino, D.I., (1993) A Real-Coninvolutory Analog of the Polar Decomposition
Linear Algebra and its Applications Volume 190

Abara, M.N.M., & Merino, D.I., (2004) Matrix Decompositions
Matimyas Matematika Volume 27, No. 1-3

Li, K., Merino, D.I., & Reyes, E.N., (2005) The n-dimensional hyperboloid and hyperbolic geometry
Southeastern University

Granario, D.Q., Merino, D.I., & Paras, A., (2013) The ?S polar decomposition
Linear Algebra and its Applications Volume 438, No. 1

Granario, D.Q., Merino, D.I., & Paras, A.T., (2015) The ?S polar decomposition when the cosquare of S is normal
Linear Algebra and its Applications Volume 467

de la Cruz, R.J., Merino, D.I., & Paras, A.T., (2015) S orthogonal matrices and S symmetries
Linear Algebra and its Applications Volume 474

Granario, D.Q., Merino, D.I., & Paras, A.T., (2016) The sum of two ?S orthogonal matrices when S−TS is normal and −1∉σ(S−TS)
Linear Algebra and its Applications Volume 495

Abara, M.N.M., Merino, D.I., Rabanovich, V.I., Sergeichuk, V.V., & Sta Maria, J.P., (2016) Each n-by-n matrix with n>1 is a sum of 5 coninvolutory matrices
arxiv.org, Cornell University

De la Cruz, R.J., Merino, D.I., & Paras, A.T., (2017) Every 2n-by-2n complex matrix is a sum of three symplectic matrices
Linear Algebra and its Applications Volume 517

De la Cruz, R.J., Merino, D.I., & Paras, A.T., (2017) Skew ? polar decompositions
Linear Algebra and its Applications Volume 531

Dela Rosa, K.L., Merino, D.I., & Paras, A.T., (2018) The subspaces spanned by Householder vectors associated with an orthogonal or a symplectic matrix
Linear Algebra and its Applications Volume 546

Gueco, E.N., Merino, D.I., & Paras, A.T., (2015) The Inertia of the Hermitian H corresponding to H Unitary Matrices
Science Diliman Volume 27, No. 1

Kunwor, B., Merino, D.I., Reyes, E.N., & Walls, G.A., (2016) The Real Orthogonal Group and Vahlen Matrices
Science Diliman Volume 28, No. 2

De la Cruz, R., De la Rosa, K., Merino, D., & Paras, A., (2014) The Cartan-Dieudonné-Scherk theorems for complex S-orthogonal matrices
Linear Algebra and its Applications Volume 458