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Matrices A such that R A = A^{s + 1} R when R^k = I

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	Lebtahi, Leila; Stuart, Jeffrey; Thome, Néstor; Weaver, James R.
	This document is a artículoDate2013
	Este documento está disponible también en : http://hdl.handle.net/10550/57768
	This paper examines matrices A∈C^(n×n) such that R A = A^(s+1) R where R^k = I, the identity matrix, and where s and k are nonnegative integers with k⩾2. Spectral theory is used to characterize these matrices. The cases s = 0 and s⩾1 are considered separately since they are analyzed by different techniques.
	Lebtahi, Leila Stuart, Jeffrey Thome, Néstor Weaver, James R. 2013 Matrices A such that R A = A^{s + 1} R when R^k = I Linear Algebra and its Applications 439 4 1017 1023
	https://doi.org/10.1016/j.laa.2012.10.034