Oslo | University of Oslo | Oslo Accords | Oslo Central Station | Royal Palace, Oslo | Oslo Spektrum | Oslo Airport, Gardermoen | Oslo University College | Oslo Tramway | Oslo Nye Teater | Frigg Oslo FK | Oslo Stock Exchange | Oslo School of Architecture and Design | Oslo, August 31st | Selskabet for Oslo Byes Vel | Oslo Tunnel | Oslo Cathedral School | Old Town, Oslo | Grand Hotel (Oslo) | Oslo Tramway Museum | Oslo Philharmonic | Oslo Commuter Rail | Oslo Commerce School | Oslo City Museum | Oslo Cathedral | Oslo Bus Terminal | University of Oslo (Norway) | University of Oslo Faculty of Law | St. Olav's Cathedral in Oslo | Oslo West Station |
Mathisen has also written commissioned work Lysande Mørker for the reopening of Oslo Domkirke in 2010 together with Jon Fosse, and the commissioned work Timeless Tales for Vestfold Festspillene in 2009.