Invited plenary speakers

• Peter Binev (University of South Carolina, USA) Optimal Learning of Solutions of PDEs

• István Faragó (Eötvös Loránd University, Hungary) Richardson extrapolation and its variants

• Kent-Andre Mardal (University of Oslo, Norway) Why do we sleep? - Multi-physics problems related to brain clearance

• Svetozar Margenov (Bulgarian Academy of Sciences) Non-overlapping domain decomposition methods of optimal computational complexity

• Ludmil Zikatanov (Penn State University, USA ) A Posteriori Error Estimates in Finite Element Method by Preconditioning