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Topological Link Models of Multipartite Entanglement

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arxiv 2109.01150 v2 pith:JCT5ZX4C submitted 2021-09-02 quant-ph hep-th

classification quant-phhep-th
keywords topologicalentanglemententropylinkmultipartitecannotconecontraction
verification ladder T0 review T1 audit T2 compute T3 formal
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We introduce a novel model of multipartite entanglement based on topological links, generalizing the graph/hypergraph entropy cone program. We demonstrate that there exist link representations of entropy vectors which provably cannot be represented by graphs or hypergraphs. Furthermore, we show that the contraction map proof method generalizes to the topological setting, though now requiring oracular solutions to well-known but difficult problems in knot theory.

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