• Matrix methods for projective modules over \sigma-PBW extensions 

      Gallego Joya, Claudia Milena
      In this monograph, we study finitely generated projective modules defined on a certain type of noncommutative rings, called σ−P BW extensions, also known as skew P BW extensions. This class of noncommutative rings of ...
      Universidad Nacional de Colombia Sede Bogotá Facultad de Ciencias Departamento de Matemáticas Matemáticas.