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SupplementaryMaterial MatrixCompletionwithHierarchical GraphSideInformation
This implies that M(δ) = T(δ), i.e., the constraint(13) made in T(δ) does not lose any generality in matrix representation. One technical distinction relative to the previous works [2,3] arises from the fact that in our setting, the hamming distances(dx1(`),dx2(`),dx3(`)) defined w.r.t. We focus on the family of rating matrices{Mhci: c T`}. First, we present the following lemma that guarantees the existence of two subsets of users with certainproperties. The proof of this case follows the same structure as that of the grouping-limited regime. It is shown that the groups within each cluster are recovered with a vanishing fraction of errors if Ig = ω(1/n).
LinearModels dimensions
One of the central objects in such algorithms are the so calledstate evolution equations, a low-dimensional recursion equations which allowtoexactly compute the high dimensional distribution of the iterates of the sequence. In this proof we will use a specific form of matrix-valued approximate message-passing iteration with non-separable non-linearities. In its full generality, the validity of the state evolution equations in this case is an extension of the works of [36, 37] includedin[67].