Ullmann, Elisabeth;Powell, Catherine E.
Solving Log-Transformed Random Diffusion Problems by Stochastic Galerkin Mixed Finite Element Methods
SIAM/ASA Journal on Uncertainty Quantification
2015
3
1
jan
509--534

Ullmann, Elisabeth;Papaioannou, Iason
Multilevel Estimation of Rare Events
SIAM/ASA Journal on Uncertainty Quantification
2015
3
1
jan
922--953

Graham, I. G.;Scheichl, R.;Ullmann, E.
Mixed finite element analysis of lognormal diffusion and multilevel Monte Carlo methods
Stoch PDE: Anal Comp
2015
4
1
jun
41--75