most citedSU(2)-in-SU(1,1) Nested Interferometer for Highly Sensitive, Loss-Tolerant Quantum Metrology

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math.OC2024

The analytic criterion of strict copositivity for a 4th-order 3-dimensional tensor

Mingjun Sheng, Yisheng Song

This paper focuses on the strict copositivity analysis of 4th-order 3-dimensional symmetric tensors. A necessary and sufficient condition is provided for the strict copositivity of…