2013
DOI: 10.1016/j.laa.2013.08.021
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On the semidefinite representation of real functions applied to symmetric matrices

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Cited by 33 publications
(35 citation statements)
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“…7.3). Sagnol (2013) showed that each criterion in the Kiefer's class of optimality criteria defined by (4) is SDr for all rational values of δ ∈ (−∞, −1] and general SDP formulations exist. This result is also applicable to the case where δ → 0.…”
Section: Semidefinite Programmingmentioning
confidence: 99%
“…7.3). Sagnol (2013) showed that each criterion in the Kiefer's class of optimality criteria defined by (4) is SDr for all rational values of δ ∈ (−∞, −1] and general SDP formulations exist. This result is also applicable to the case where δ → 0.…”
Section: Semidefinite Programmingmentioning
confidence: 99%
“…where |ψ ABC = 1 √ 2 |0 B |00 AC + 1 √ 2 |1 B (cos(θ)|01 AC + sin(θ)|10 AC ) (14) Figure 4 shows I(A : C|B) and the relative entropy of recovery for the range θ ∈ [0, π/2]. We have also included the quantum Rényi divergence (for α = 7/8) defined bȳ D α (ρ σ) = 1 α − 1 log Tr ρ α σ 1−α which is a lower bound on the relative entropy D and which can be optimized exactly using semidefinite programming for rational α [FS17,Sag13]. We see that there is a range of values of θ where the relative entropy of recovery is greater than or equal the conditional mutual information.…”
Section: Relative Entropy Of Recovery and Conditional Mutual Informationmentioning
confidence: 99%
“…Hence, our approach gives an outer approximation of the set of information matrices, which is SDP representable. As shown by the interesting works [20,18], the criterion φ q is also SDP representable in the case where q is rational. It proves that our procedure (depicted in Algorithm 1) makes use of two semidefinite programs and it can be efficiently used in practice.…”
Section: Algorithm 1: Approximate Optimal Designs On Semi-algebraic Setsmentioning
confidence: 90%