2 papers
quant-ph2026
Markov Constraints Enhance Identifiability in Quantum Shadow Inversion
Zhixing Chen, Lin Chen
We study quantum shadow inversion under Markovian locality constraints for four-partite systems arranged along the chain ------. The goal is to reproduce the expectatio…
quant-ph2025
Virtual Quantum Markov Chain of four-qubit systems
Zhixing Chen, Lin Chen
We extend the framework of virtual quantum Markov chains (VQMCs) from tripartite systems to the four-qubit setting. Structural criteria such as the kernel-inclusion condition are a…