Sarrus rules and dihedral groups
arXiv:1809.08948 · doi:10.1080/07468342.2018.1526019
Abstract
This paper is devoted to the analysis of a false generalization of the rule of Sarrus and its properties that can be derived with the help of dihedral groups. Further, we discuss a Sarrus-like scheme that could be helpful for students to memorize the calculation of a determinant.
To appear in "The College Mathematics Journal"