math.GR math.GN math.GT math.MG math.SG 20A05, 20E32, 51F30, 53D22, 53D40, 57S05
Relative simplicity of the universal coverings of transformation groups and Tsuboi's metric
Morimichi Kawasaki Mitsuaki Kimura Hiroki Kodama Yoshifumi Matsuda Takahiro Matsushita Ryuma Orita