Convergence Rates of Multilevel and Sparse Tensor Approximations for a Random Elliptic PDE.

Claude Jeffrey Gittelson

Published in: SIAM J. Numer. Anal. (2013)

Keyphrases

convergence rate
partial differential equations
high order
numerical methods
tensor decomposition
learning rate
convergence speed
anisotropic diffusion

higher order
level set
global convergence
tensor factorization
diffusion tensor
gaussian kernels
image denoising
primal dual

numerical stability
sparse representation
numerical solution
stopping criterion
structure tensor
image processing
differential equations

image enhancement
high dimensional
fourier descriptors
mutation operator
denoising
learning algorithm
low memory requirements