Not officially affiliated to any university or research institute. Doing research on free time. I still have my University of Jyväskylä email address, and you can use that to contact me: name BIM surname BUM jyu BAM fi.
- Functional type a posteriori error estimates and equalities for mixed approximations of linear (first and second order) partial differential equations
- Computable estimates of Friedrich, Poincaré, and Maxwell constants, and how this knowledge can be used to make numerical procedures better