Erik Tellgren defended his PhD thesis entitled "Quantum-chemical method development for extended and magnetic systems" for the PhD degree on December 18 2009. The work has been carried out at the CTCC in Oslo. Prof. Trygve Helgaker of CTCC/UiO, Prof. Kenneth Ruud of the CTCC/UiT and Dr. Alessandro Soncini, a former researcher at the CTCC/UiO, has been advisors for the thesis. The full announcement text can be found here