%0 Journal Article %A Medts, Tom De %A Meulewaeter, Jeroen %T $\mathbf {5 \times 5}$-graded Lie algebras, cubic norm structures and quadrangular algebras %J Forum of Mathematics, Sigma %D 2025 %P e88 %V 13 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/fms.2025.46/ %R 10.1017/fms.2025.46 %F 10_1017_fms_2025_46