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quant-ph2025
Online Learning Quantum States with the Logarithmic Loss via VB-FTRL
Wei-Fu Tseng, Kai-Chun Chen, Zi-Hong Xiao +1
Online learning of quantum states with the logarithmic loss (LL-OLQS) is a quantum generalization of online portfolio selection (OPS), a classic open problem in online learning for…
quant-ph2024
Device-independent certification of desirable properties with a confidence interval
Wan-Guan Chang, Kai-Chun Chen, Kai-Siang Chen +2
In the development of quantum technologies, a reliable means for characterizing quantum devices is crucial. However, the conventional approach based on, e.g., quantum state tomogra…