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Author: Ehrhardt, Torsten

• Bart, Harm; Ehrhardt, Torsten: Additive decomposition of matrices under rank conditions and zero pattern constraints. (English). Czechoslovak Mathematical Journal, vol. 72 (2022), issue 3, pp. 825-854
• Bart, Harm; Ehrhardt, Torsten; Silbermann, Bernd: Rank decomposition in zero pattern matrix algebras. (English). Czechoslovak Mathematical Journal, vol. 66 (2016), issue 3, pp. 987-1005