About this article
Published Online: Apr 09, 2020
Page range: 111 - 115
Received: Mar 25, 2019
Accepted: Apr 25, 2019
DOI: https://doi.org/10.2478/auom-2020-0008
Keywords
© 2020 Carlos M. da Fonseca et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Based on a less-known result, we prove a recent conjecture concerning the determinant of a certain Sylvester-Kac type matrix related to some Lie Algebras. The determinant of an extension of that matrix is presented.