Polar decompositions X=UA of real and complex matrices X with respect to the scalar product generated by a given indefinite nonsingular matrix H are studied in the following special cases: (1) X is an H-contraction, (2) X is an H-plus matrix, (3) H has only one positive eigenvalue, and (4) U belongs to the connected component of the identity in the group of H-unitary matrices. Applications to linear optics are presented.

Polar decompositions in finite dimensional indefinite scalar product spaces: Special cases and applications

VAN DER MEE, CORNELIS VICTOR MARIA;
1996-01-01

Abstract

Polar decompositions X=UA of real and complex matrices X with respect to the scalar product generated by a given indefinite nonsingular matrix H are studied in the following special cases: (1) X is an H-contraction, (2) X is an H-plus matrix, (3) H has only one positive eigenvalue, and (4) U belongs to the connected component of the identity in the group of H-unitary matrices. Applications to linear optics are presented.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11584/7809
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