Related methods
===============

Koopmans functionals have resonance with various methods developed by other groups. These include...

- the Wannier transition-state method of Anisimov and Kozhevnikov :cite:`Anisimov2005`
- the optimally-tuned range-separated hybrid functionals of Kronik, Neaton, and others :cite:`Kronik2012,Wing2021`
- the localized orbital scaled correction of Yang and others :cite:`Li2018`
- the ensemble DFT method of Kreisler, Kronik and others :cite:`Kraisler2013`
- the Koopmans-Wannier method of Wang and others :cite:`Ma2016`