2024/12/02 by Ayad, Youssef, Fahlaoui, Said
#53C20 #53C30 #53C35 #Differential Geometry (math.DG) #FOS: Mathematics
paper · doi:10.48550/arxiv.2412.01588
We describe the full group of isometries of each left invariant Riemannian metric on the simply connected unimodular nilpotent or solvable (R)-type Lie groups of dimension four.