isTopologically

4 triples
GPTKB property

Random triples
Subject Object
gptkb:Projective_Special_Linear_Group_PSL(2,_R) homeomorphic to open solid torus
gptkb:U(1)_x_U(1) gptkb:2-torus
gptkb:orthogonal_group simply connected
gptkb:SL(n,R) non-compact, connected Lie group