Sparse Sampling in time and frequency

Sparse sampling is a technique to reduce the number of Matsubara frequencies and imaginary time points in a calculation.

Talk on Sparse Sampling by Markus Wallerberger:

Slides of the talk by Markus.

The key paper on sparse sampling is

Jia Li, M. W., N. Chikano, C.N. Yeh, E. Gull, H. Shinaoka, Phys. Rev. B 101, 035144 (2020) – preprint: arXiv:1908.07575