2 papers
math.NA2020
Uniform preconditioners of linear complexity for problems of negative order
Rob Stevenson, Raymond van Venetië
We propose a multi-level type operator that can be used in the framework of operator (or Caldéron) preconditioning to construct uniform preconditioners for negative order operators…
math.NA2019
Uniform preconditioners for problems of positive order
Rob Stevenson, Raymond van Venetië
Using the framework of operator or Caldéron preconditioning, uniform preconditioners are constructed for elliptic operators of order discretized with continuous fini…