Tensor approximation of the self-diffusion matrix of tagged particle processes.
Jad DabaghiVirginie EhrlacherChristoph StrössnerPublished in: J. Comput. Phys. (2023)
Keyphrases
- structure tensor
- anisotropic diffusion
- tensor field
- tensor product
- trace norm
- singular vectors
- high order
- singular value decomposition
- higher order
- matrix representation
- optical flow
- projection matrices
- low rank
- tensor factorization
- symmetric positive definite
- nonlinear diffusion
- positive definite
- diffusion process
- error bounds
- frobenius norm
- process model
- singular values
- lie group
- valued data
- diffusion equation
- queueing networks
- tensor decomposition
- covariance matrix
- medical images