Abstract
By using the theory of generalized inverse operators, we establish a criterion of the solvability of the Lyapunov-type matrix equations AX - XB = D and X - AXB = D and investigate the structure of the set of their solutions.
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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 50, No. 8, pp. 1021–1026, August, 1998.
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Boichuk, A.A., Krivosheya, S.A. Criterion of the solvability of matrix equations of the Lyapunov type. Ukr Math J 50, 1162–1169 (1998). https://doi.org/10.1007/BF02513089
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DOI: https://doi.org/10.1007/BF02513089