3 papers
quant-ph2026
Check-weight-constrained quantum codes: Bounds and examples
Lily Wang, Andy Zeyi Liu, Ray Li +2
Quantum low-density parity-check (qLDPC) codes can be implemented by measuring only low-weight checks, making them compatible with noisy quantum hardware and central to the quest t…
quant-ph2025
Fault-tolerant Preparation of Distant Logical Bell Pair -- with application in the magic square game
Andy Zeyi Liu, Debbie Leung
Measures of quantum nonlocality traditionally assume perfect local computation. In real experiments, however, each computational primitive is imperfect. Fault-tolerant techniques e…
cs.CL2024
Combating Adversarial Attacks with Multi-Agent Debate
Steffi Chern, Zhen Fan, Andy Liu
While state-of-the-art language models have achieved impressive results, they remain susceptible to inference-time adversarial attacks, such as adversarial prompts generated by red…