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Sums of two square-zero matrices over an arbitrary field. (English) Zbl 1298.15026
In the paper is proved a result over an arbitrary field, which is a very good generalization of the well known result of J.-H. Wang and P. Y. Wu [Stud. Math. 99, No. 2, 115–127 (1991; Zbl 0745.47006)] for expressing an \(n\times n\) matrix as the sum of two square-zero matrices over the complex field, namely if the field is of characteristic zero and algebraically closed.

15B33 Matrices over special rings (quaternions, finite fields, etc.)
Full Text: DOI
[1] Cullen, C.G., Matrices and linear transformations, (1990), Dover Publications New York · Zbl 0139.02503
[2] Wang, J.-H.; Wu, P.Y., Sums of square-zero operators, Studia math., 99, 115-127, (1991) · Zbl 0745.47006
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