Rational local unitary invariants of symmetrically mixed states of two qubits

DOI10.1016/j.aam.2023.102613arXiv2304.13555OpenAlexW4386823166MaRDI QIDQ6144417

Nick Rekuski, John R. Klein, Luca Candelori, Vladimir Y. Chernyak

Publication date: 29 January 2024

Published in: Advances in Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2304.13555

zbMATH Keywords

invariantentanglementqubitmixed state

Mathematics Subject Classification ID

Geometric invariant theory (14L24) Actions of groups on commutative rings; invariant theory (13A50) Quantum coherence, entanglement, quantum correlations (81P40) Entanglement measures, concurrencies, separability criteria (81P42)

Cites Work

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• Some Basic Theorems on Algebraic Groups
• An analog of the singular value decomposition for complex orthogonal equivalence
• Geometric Invariant Theory
• Complex symmetric matrices
• A mixed two-qubit system and the structure of its ring of local invariants

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