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Tag: "àlgebra tensorial" (1)

Structure Tensors
Structure Tensors
mathematicsEnglish5 sep 20171218We show that in many instances, at the heart of a problem in numerical computation sits a special 3-tensor, the structure tensor of the problem that uniquely determines its underlying algebraic structure. For example, the Grothendieck constant, which plays an important role in unique games conjecture and SDP relaxations of NP-hard problems, arises as the spectral norm of such a structure ...