Operators, Perturbations, Electrons,

Relativity, and Multi-Scale Applications

01- 03 September 2021

Photo: Camilla Kottum Elmar, CAS Oslo

An international symposium on theoretical chemistry in honour of Prof. Jürgen Gauss on the occasion of his 60th birthday

It is our pleasure to hereby invite the community to take part in the OPERA-2020 symposium on modern theoretical and computational chemistry to be held from 01 to 03 September 2021 (rescheduled due to COVID19). Set on the scenic banks of the Rhine river in Rhineland-Palatinate, Germany, the symposium will feature a diverse list of distinguished speakers from all over the world which will convene to celebrate the 60th birthday of Prof. Jürgen Gauss of the Johannes-Gutenberg University Mainz. A special issue of Molecular Physics commemorating the occasion will accompany the symposium.


  • Prof. Thomas Jagau (Katholieke Universiteit Leuven, Belgium)
  • Dr. Stella Stopkowicz (Johannes Gutenberg University Mainz, Germany)
  • Dr. Janus Juul Eriksen (University of Bristol, UK)

Local organiser:

  • Prof. Gregor Diezemann (Johannes Gutenberg University Mainz, Germany)

International advisory board:

  • Prof. Andreas Köhn (University of Stuttgart, Germany)
  • Prof. Christian Ochsenfeld (Ludwig Maximilian University Munich, Germany)
  • Prof. Trygve Helgaker (University of Oslo, Norway)


Deutsche Forschungsgemeinschaft (DFG)

Fonds der Chemischen Industrie (FCI)

TRansRegio (TRR) 146

Hylleraas Centre for Quantum Molecular Sciences





Molecular Physics



For general enquires, please get in contact with the organisers by writing an email to:

janus.eriksen [at] bristol [dot] ac [dot] uk