Domino Exclusion Problem. - Andrejs Cibulis; Walter Trump (Balt. J. Mod. Comput., 2020)

Striking patterns in natural magic squares' associated electrostatic potentials: Matrices of the 4th and 5th order. - Peyman Fahimi; Cyrus Ahmadi Toussi; Walter Trump; Javad Haddadnia; Chérif F. Matta (Discret. Math., 2021)