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An Agentic Formalization for Certified Quantum Neural Network Design
A central model in quantum machine learning is the quantum neural network (QNN), whose design requires balancing expressivity and …
Mingrui Jing
,
Lei Zhang
,
Yusheng Zhao
,
Hongshun Yao
,
Xin Wang
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DOI
Logical Entangling with Phantom Codes in Hypergraph Products
Logical entangling gates are a major source of physical spacetime overhead in fault-tolerant quantum computation. Phantom codes reduce …
Keming He
,
Ziao Tang
,
Zetong Li
,
Ge Bai
,
Xin Wang
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DOI
Lean-QIT: Towards a Formal Infrastructure for Quantum Information Theory
Quantum information theory (QIT) characterizes the capabilities and fundamental limits of quantum information processing, underpinning …
Chengkai Zhu
,
Ziao Tang
,
Guocheng Zhen
,
Yimeng Cao
,
Yusheng Zhao
,
Ranyiliu Chen
,
Xuanqiang Zhao
,
Lei Zhang
,
Xin Wang
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Code
DOI
A Nonstabilizerness Resource Law for Universal Quantum State Purification
Quantum state purification aims to recover higher-fidelity quantum states from multiple noisy copies and is a fundamental primitive for …
Keming He
,
Enji Xiong
,
Xin Wang
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DOI
Invariant Measures and Weak-Magic-Injection Asymptotics in Random Monitored Quantum Circuits
Monitored quantum circuits provide a natural setting in which scrambling, measurements, and measurement-conditioned updates compete …
Guocheng Zhen
,
Xuanrong Yang
,
Chengkai Zhu
,
Ranyiliu Chen
,
Xin Wang
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DOI
Universal quantum state purification with energy-preserving operations
Quantum state purification, which operates not by identifying and correcting specific errors but by repeatedly projecting multiple …
Xingchen Guo
,
Benchi Zhao
,
Xin Wang
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DOI
Distilling Unitary Operations: A No-Go Theorem and Minimal Realization
Quantum gates executed on physical hardware are inevitably degraded by environmental noise. While state purification effectively …
Jiayi Zhao
,
Yu-Ao Chen
,
Guocheng Zhen
,
Chengkai Zhu
,
Ranyiliu Chen
,
Xin Wang
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DOI
Block Coordinate Descent for Dynamic Portfolio Optimization on Finite-Precision Coherent Ising Machines
Coherent Ising machines (CIMs) have emerged as specialized quantum hardware for large-scale combinatorial optimization. However, for …
Keming He
,
Hongshun Yao
,
Jin-guo Liu
,
Xin Wang
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DOI
Entanglement cost of bipartite quantum channel discrimination under positive partial transpose operations
Quantum channel discrimination is a fundamental task in quantum information processing. In the one-shot regime, discrimination between …
Chengkai Zhu
,
Shuyu He
,
Gereon Koßmann
,
Xin Wang
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DOI
Simulation of Adjoints and Petz Recovery Maps for Unknown Quantum Channels
Transformations of quantum channels, such as the transpose, complex conjugate, and adjoint, are fundamental to quantum information …
Chengkai Zhu
,
Ziao Tang
,
Guocheng Zhen
,
Yinan Li
,
Ge Bai
,
Xin Wang
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DOI
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