On Quadraticity of Linear Combinations of Two Essentially Cubic Matrices That Commute
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DOI: 10.3390/axioms14110848
Abstract: This work presents a complete and definitive characterization of all cases where every linear combination of two commuting essentially cubic matrices results in a quadratic matrix, thereby extending existing contributions in the literature. To facilitate… read more here.
Keywords: linear combinations; two essentially; essentially cubic; cubic matrices ... See more keywords