Research Topics


Weak Gravitational Lensing

Dark Energy and Modified Gravity

Cosmic Microwave Background

Diffuse Galactic Foregrounds



Signal Processing

Sparsity and Compressed Sensing

Machine Learning

Blind Source Separation

PSF Estimation and Image Restoration


Other Topics

Radio Interferometry

Optimal Transport

Image Credits

  • Asteroseismology: Artist's depiction of asteroseismology, credit DAp/CEA
  • Cosmic Microwave Background: Reconstructed CMB map, credit Bobin et al. (2014)
  • Dark Energy and Modified Gravity: Constraints on dark energy, credit Planck Collaboration (2015)
  • Diffuse Galactic Foregrounds: Central region of Milky Way, credit JPL, NASA, ESA
  • Galaxies: Image of galaxy M51, credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)
  • Machine Learning: Image from the San Francisco Museum of Modern Art by William Bout.
  • PSF Estimation and Image Restoration: Deconvolved galaxy image, credit Farrens et al. (2017)
  • Radio Interferometry: Artist's rendition of the SKA antenna array, credit SKA Organisation
  • Sparsity and Compressed Sensing:
  • Supernovae: Multiwavelength view of supernova 1987A, credit: NASA, ESA, and A. Angelich (NRAO/AUI/NSF)
  • Weak Gravitational Lensing: Nature 445, 229-338 18/01/07