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quant-ph2025
Nonlocal Games in the High-Noise Regime: Optimal Quantum Values and Rigidity
Honghao Fu, Minglong Qin, Haochen Xu +1
Motivated by the limitations of near-term quantum devices, we study nonlocal games in the high-noise regime, where the two players may share arbitrarily many copies of a noisy enta…
math.OC2025
On the complexity of proximal gradient and proximal gradient-Newton-CG methods for -regularized Optimization
Hong Zhu
In this paper, we propose two second-order methods for solving the \(\ell_1\)-regularized composite optimization problem, which are developed based on two distinct definitions of a…
quant-ph2025
Consecutive Measurement Tradeoffs in Quantum Cryptography
Chen-Xun Weng, Minglong Qin, Yanglin Hu +1
Measuring a quantum system can reveal information while disturbing its state. Consequently, the probabilities of obtaining desired outcomes in individual measurements constrain the…