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Polynomial-Time Algorithms for Nuclear Tensor Norms and Multipartite Separability

Bernasconi, Martino et al.
arXiv (All) · Papers
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quantum-physics
We study a multilinear optimization problem for tensors with bounded Frobenius norm, where each of the $k$ local factors of dimension $d$ is chosen from a convex set. We give a deterministic algorithm running in time $d^{O(k)}$ for constant additive approximations. As applications, we obtain the fir
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