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math.FA2022
Lipschitz stability of -FOCS and RC canonical Jordan bases of real -selfadjoint matrices under small perturbations
S. Dogruer Akgul, A. Minenkova, V. Olshevsky
In 2008 Bella, Olshevsky and Prasad proved that the flipped orthogonal (FO) Jordan bases of H-selfadjoint matrices are Lipschitz stable under small perturbations. In 2022, Dogruer,…
math.FA2022
Existence of flipped orthogonal conjugate symmetric Jordan canonical bases for real H-selfadjoint matrices
S. Dogruer Akgul, A. Minenkova, V. Olshevsky
For real matrices selfadjoint in an indefinite inner product there are two special canonical Jordan forms, that is (i) flipped orthogonal (FO) and (ii) -conjugate symmetric (CS)…