The paper concerns several classes of matrices in possibly degenerate indefinite inner products, such as expansive, dissipative, normal and plus matrices. The main results concern existence of invariant maximal semidefinite subspaces for matrices in these classes.
CITATION STYLE
Mehl, C., Ran, A. C. M., & Rodman, L. (2004). Semidefinite Invariant Subspaces: Degenerate Inner Products. In Current Trends in Operator Theory and its Applications (pp. 467–486). Birkhäuser Basel. https://doi.org/10.1007/978-3-0348-7881-4_19
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