H-matrix approximability of inverses of discretizations of the fractional Laplacian.

Michael Karkulik Jens Markus Melenk

Published in: Adv. Comput. Math. (2019)

Keyphrases

sufficient conditions
singular value decomposition
high order
databases
edge detection
sparse coding
lower order
spectral decomposition
multiresolution
data integration
low rank
linear algebra
distance matrix
laplacian matrix