LLecture notes on elementary topology and geometryLecture notes on elementary topology and geometryde I. M. SingerMateriasDifferential GeometryAlgebraic topologyTopologyEdiciones (1)Lecture notes on elementary topology and geometry (1967)Scott, ForesmanMás obras de I. M. SingerThe unity of mathematicsQuantum field theory, supersymmetry, and enumerative geometryVertex operators in mathematics and physics