Understanding Gravity at the fundamental level:
Understanding gravity with an emphasize on theoretical consistency, quantum stability and relevance for cosmology.
Tests of Gravity: Using Gravitational Waves to probe gravity in conjunction with laboratory, Solar System, Astrophysical Cosmological tests and screening mechanisms.
Early Universe Cosmology:
Probing signatures of the Early Universe be it for inflation or its alternatives.
What is the source of the late–time acceleration of the Universe ?
Cosmological Constant Problem:
Understanding the effect from vacuum energy of particle physics on cosmological scales.
Understanding the low-energy restrictions to the existence of a standard high energy completion and consequences to Cosmology.
See inSpires for a list of publications