Show 100 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: keyword exact "density matrix" cql: author exact 002003192365 or (type exact bookEditor and editor exact 002003192365) Add to list Journal Article A1 Extended random phase approximation method for atomic excitation energies from correlated and variationally optimized second-order density matrices Helen van Aggelen (UGent) , Brecht Verstichel (UGent) , Guillaume Acke (UGent) , Matthias Degroote (UGent) , Patrick Bultinck (UGent) , Paul W Ayers and Dimitri Van Neck (UGent) (2013) COMPUTATIONAL AND THEORETICAL CHEMISTRY. 1003. p.50-54 Add to list Journal Article A1 open access Variational density matrix optimization using semidefinite programming Brecht Verstichel (UGent) , Helen van Aggelen (UGent) , Dimitri Van Neck (UGent) , Paul W Ayers and Patrick Bultinck (UGent) (2011) COMPUTER PHYSICS COMMUNICATIONS. 182(9). p.2025-2028 Add to list Journal Article A1 open access A primal-dual semidefinite programming algorithm tailored to the variational determination of the two-body density matrix Brecht Verstichel (UGent) , Helen van Aggelen (UGent) , Dimitri Van Neck (UGent) , Patrick Bultinck (UGent) and Stijn De Baerdemacker (UGent) (2011) COMPUTER PHYSICS COMMUNICATIONS. 182(6). p.1235-1244