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A graphical framework for proving holographic entanglement entropy inequalities in multipartite systems
Chia-Jui Chou, Hans B. Lao, Yi Yang·December 21, 2025
Quantum Physicshep-th
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Abstract
We present a graphical method for proving holographic entanglement entropy inequalities (HEIs) in general multipartite systems. By introducing a geometric representation of the entanglement structure, we develop a systematic approach that enables one to visualize and verify the validity of HEIs for any number of subsystems $n$. Several theorems are established to formalize this method, and explicit examples are provided for systems with $n = 4$ to $7$ entangled regions.