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MOC
1998
96views more  MOC 1998»
13 years 11 months ago
Fast solvers of integral and pseudodifferential equations on closed curves
On the basis of a fully discrete trigonometric Galerkin method and two grid iterations we propose solvers for integral and pseudodifferential equations on closed curves which solv...
Jukka Saranen, Gennadi Vainikko
COMPUTING
1998
69views more  COMPUTING 1998»
13 years 11 months ago
Multilevel Norms for H-1/2
We give some estimates related to nite element multilevel splittings and Sobolev norms of negative order. Basically, results for the positive order case are carried over by dualit...
P. Oswald
MOC
2000
79views more  MOC 2000»
13 years 11 months ago
Computational scales of Sobolev norms with application to preconditioning
Abstract. This paper provides a framework for developing computationally efficient multilevel preconditioners and representations for Sobolev norms. Specifically, given a Hilbert s...
James H. Bramble, Joseph E. Pasciak, Panayot Vassi...
SCALESPACE
2007
Springer
14 years 5 months ago
Linear Image Reconstruction by Sobolev Norms on the Bounded Domain
The reconstruction problem is usually formulated as a variational problem in which one searches for that image that minimizes a so called prior (image model) while insisting on cer...
Bart Janssen, Remco Duits, Bart M. ter Haar Romeny