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A note on the hyperbolic singular value decomposition. (English) Zbl 0933.15016
Summary: A procedure is presented for constructing the hyperbolic singular value decomposition of a matrix $$A$$ with respect to a signature matrix $$\Phi$$. When the rank of $$A$$ is less than the rank of $$A^H\Phi A$$, the decomposition preserves the structure of the isotropic subspace of the column space of $$A$$.

##### MSC:
 15A18 Eigenvalues, singular values, and eigenvectors 15A23 Factorization of matrices
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##### References:
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