Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author exact F4A74CFA-F0ED-11E1-A9DE-61C894A0A6B4 or (type any "bookEditor journalEditor issueEdi... cql: keyword exact "cosmological constant" Add to list Journal Article A1 Killing spinor spacetimes and constant-eigenvalue killing tensors David Beke (UGent) , Norbert Van den Bergh (UGent) and Lode Wylleman (UGent) (2011) CLASSICAL AND QUANTUM GRAVITY. 28(10). Add to list Journal Article A1 open access Two special classes of spacetimes admitting a non-null valence 2 Killing spinor Norbert Van den Bergh (UGent) (2010) CLASSICAL AND QUANTUM GRAVITY. 27(1). Add to list Journal Article A1 Petrov type D pure radiation fields of Kundt’s class Liselotte De Groote (UGent) , Norbert Van den Bergh (UGent) and Lode Wylleman (UGent) (2010) JOURNAL OF MATHEMATICAL PHYSICS. 51(10).