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Optimal guarantees in the low-sample tensor regime (below constant-Frobenius threshold)
Sourced from the work of Rafael Mendes de Oliveira, William Cole Franks, Akshay Ramachandran, Michael Walter
§ Problem Statement
Setup
Unsolved Problem
§ Discussion
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§ Significance & Implications
§ Known Partial Results
§ References
[1]
Near Optimal Sample Complexity for Matrix and Tensor Normal Models via Geodesic Convexity
Rafael Mendes de Oliveira, William Cole Franks, Akshay Ramachandran, Michael Walter (2021)
Annals of Statistics (to appear)
📍 Section 8 (Conclusion and open problems), unnumbered paragraph on the tensor-normal low-sample regime below the constant-Frobenius-error threshold (no numbered conjecture/remark; exact page not determined).
Source paper where this problem appears.