A conic and semidefinite-programming framework computes exact Holevo, Nagaoka-Hayashi, and SLD precision bounds for multiparameter quantum metrology across parallel, sequential, and indefinite-causal-order strategies, with energy and memory constraints.
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Optimal Strategies for Multi-parameter Quantum Metrology
A conic and semidefinite-programming framework computes exact Holevo, Nagaoka-Hayashi, and SLD precision bounds for multiparameter quantum metrology across parallel, sequential, and indefinite-causal-order strategies, with energy and memory constraints.