Listar por autor "Fajardo Cardenas, William Alfredo"
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Extended modules over skew PBW extensions
Fajardo Cardenas, William AlfredoIn the book “Serre’s problem on projective modules” [42], Tsit Yuen Lam defines the class E of extended rings; these rings satisfy the extended version of the Quillen-Suslin theorem. In this thesis we investigate extended ...Universidad Nacional de Colombia Sede Bogotá Facultad de Ciencias Departamento de Matemáticas Matemáticas.