Search Results for author: Aaron Potechin

Found 3 papers, 0 papers with code

Near-optimal fitting of ellipsoids to random points

no code implementations19 Aug 2022 Aaron Potechin, Paxton Turner, Prayaag Venkat, Alexander S. Wein

6031-6036, 2013] conjecture that the ellipsoid fitting problem transitions from feasible to infeasible as the number of points $n$ increases, with a sharp threshold at $n \sim d^2/4$.

Exact nuclear norm, completion and decomposition for random overcomplete tensors via degree-4 SOS

no code implementations18 Nov 2020 Bohdan Kivva, Aaron Potechin

In this paper we show that simple semidefinite programs inspired by degree $4$ SOS can exactly solve the tensor nuclear norm, tensor decomposition, and tensor completion problems on tensors with random asymmetric components.

Tensor Decomposition

Exact tensor completion with sum-of-squares

no code implementations21 Feb 2017 Aaron Potechin, David Steurer

We obtain the first polynomial-time algorithm for exact tensor completion that improves over the bound implied by reduction to matrix completion.

Matrix Completion

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