Tensor rank bounds and explicit QTT representations for the inverses of circulant matrices.
Lev VysotskyMaxim RakhubaPublished in: CoRR (2022)
Keyphrases
- frobenius norm
- projection matrices
- upper bound
- singular values
- higher order tensors
- sufficient conditions
- order tensor
- symmetric positive definite
- kullback leibler divergence
- upper and lower bounds
- higher order
- lower bound
- fourier transform
- negative matrix factorization
- high order
- singular value decomposition
- dimensionality reduction
- low rank
- least squares
- matrix completion
- low rank approximation
- positive semidefinite matrices
- diffusion tensor
- feature extraction
- worst case
- tensor space
- lower and upper bounds
- singular vectors
- contingency tables
- ranked list
- optical flow
- objective function