Sciweavers

MOC
2000
104views more  MOC 2000»
14 years 8 days ago
A domain embedding preconditioner for the Lagrange multiplier system
Abstract. Finite element approximations for the Dirichlet problem associated to a second
Einar Haug, Ragnar Winther
MOC
2000
127views more  MOC 2000»
14 years 8 days ago
Can a finite element method perform arbitrarily badly?
In this paper we construct elliptic boundary value problems whose standard finite element approximations converge arbitrarily slowly in the energy norm, and show that adaptive proc...
Ivo Babuska, John E. Osborn