00683nam a2200181Ia 450000500170000000800410001702000130005808200160007110000210008724500320010825000080014026000240014830000170017250501840018994200080037399900170038195201030039820241211205643.0241211s1999    xx            000 0 und d  afcnm2107  a515.73I/E94  aÉtienne, GHYS. 0aGroups Acting on the Circle  a1ra  aLima :bIMCA,c1999  a60 páginas  a1.Introduction. 2.Some classical definitions. 3.Two basic examples. 4.The group of homeomorphisms of the circle. 5.Rotation numbers. 6.Bounded Euler class. 7.Higher rank lattices.  yLIB  c51328d51328  00104070aBE-FCNMbBE-FCNMcTPd2018-07-05eDonacionfBuenoo515.73I/E94pFCNM3463yLIBzExterno