FACIAL STRUCTURES FOR SEPARABLE STATES

The convex cone V1 generated by separable states is con-tained in the cone T of all positive semi-denite block matrices whose block transposes are also positive semi-definite. We characterize faces of the cone V1 induced by faces of the cone T which are determined by pairs of subspaces of matrices....

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Veröffentlicht in:Journal of the Korean Mathematical Society 2012, 49(3), , pp.623-639
Hauptverfasser: Choi, Hyun-Suk, Kye, Seung-Hyeok
Format: Artikel
Sprache:eng
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Zusammenfassung:The convex cone V1 generated by separable states is con-tained in the cone T of all positive semi-denite block matrices whose block transposes are also positive semi-definite. We characterize faces of the cone V1 induced by faces of the cone T which are determined by pairs of subspaces of matrices. KCI Citation Count: 10
ISSN:0304-9914
2234-3008
DOI:10.4134/JKMS.2012.49.3.623