Discrete subgroups of Lie groups Nilpotent and solvable Lie groups (Co)homology Theory Bieberbach group Cadena Cohomología de De Rham Cohomología singular Estructuras localmente conforme simpléctico General geometric structures on manifolds General theory of differential manifolds Geometric groups Grupos de Lie Grupos de Lie nilpotentes y solubles Grupos de Lie y subgrupos discretos Hermitian and Kählerian manifolds Holonomy Holonomía Issues of holonomy Lattice Lie group Locally conformal Kähler metrics Locally conformal symplectic structures Métricas localmente conformes Kähler Nilvariedades Retìculo Simplex Solvable Lie group Solvmanifolds Symplectic manifolds Conformal Killing–Yano 2-forms