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last update:
2015-01-01

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Work

Research interests

Gravitation

  • Problem of motion / motion of extended bodies
  • Multipolar approximation schemes
  • Post-Newtonian / post-Minkowskian approximation
  • Application of computer algebra methods
  • Gravitational waves
  • Exact solutions
  • Gauge-theoretical formulation of gravity
  • Non-standard gravity theories (MAG, WC, EC, ST)

Cosmology and Astrophysics

  • Cosmological tests (BBN, CMB, LSS, SNIa, X-ray gas masses, FRIIb)
  • Weak-field approximations
  • Cosmological data analysis and parameter estimation
  • Building and testing of alternative cosmological models

Geodesy

  • Gradiometry
  • Clock networks
  • Relativistic aspects of geodesy

Computational / Mathematical

  • Computer algebra
  • Simulation / Visualization
  • Tensor calculus
  • Covariant expansion techniques
  • (Non)-Riemannian geometry

Group

Currently I am working as a researcher at University of Bremen (Center for applied space technology and microgravity, ZARM). Before that I worked as a researcher at the Max-Planck-Institute for Gravitational Physics (Albert-Einstein-Institute). Before that I worked as an assistant professor at the Tohoku University (Astronomical Institute). Before that I worked as a postdoctoral researcher at the Max-Planck-Institute for Gravitational Physics (Albert-Einstein-Institute). Before that I worked as a postdoc for the Institute for Theoretical Astrophysics at the University of Oslo . Before that I worked as postdoc for the Department of Physics and Astronomy at the Iowa State University . Formerly I was a member of the Cologne gravity group at the Institute for Theoretical Physics - University of Cologne.

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