Main areas of work:
- Analysis of geodetic networks (network adjustment, outlier tests, deformation analysis)
- Mathematical Geodesy (textbook for land surveying)
- Physical Geodesy (gravity field determination, geodetic boundary value problem)
- Satellite Geodesy (positioning with GPS, satellite gradiometry)
- Approx. 80 scientific publications in journals, series and anthologies, as well as a textbook
- Approx. 100 scientific presentations for various symposiums and seminars
- Supervision of 12 doctoral and 2 postdoctoral theses
Scientific Projects:
- 1990 - 1993 Nonlinear effects in the geodetic boundary value problem, DFG project He 1433/2
- 1994 - 1999 Collaborative project, GPS reference networks in Antarctica, BMBF Subproject of GIK
- 1997 - 1999 Collaborative project, GPS reference networks in Antarctica II, BMBF Subproject of GIK