Catral, M.; Lebtahi Ep-Kadi-Hahifi, Leila; Stuart, Jeffrey; Thome, Néstor(Elsevier, 2014-11-15)
Let R is an element of C-nxn be a {k}-involutory matrix (that is, R-k = I-n) for some integer k >= 2, and let s be a nonnegative integer. A matrix A is an element of C-nxn is called an {R,s + 1, k}-potent matrix if A ...
Catral, M.; Lebtahi, L.; Stuart, J.; Thome, Néstor(Elsevier, 2020-08-01)
[EN] The {R, s +1, k}- and {R, s +1, k, *}-potent matrices have been studied in several recent papers. We continue these investigations from a spectral point of view. Specifically, a spectral study of {R, s + 1, k} -potent ...