The Cotorsion Dimension of Modules and Rings

  title={The Cotorsion Dimension of Modules and Rings},
  author={Lixin Mao and Nanqing Ding},
In this paper, we introduce a dimension, called the cotorsion dimension, for modules and rings. The relations between the cotorsion dimension and other dimensions are discussed. Various results are developed, some extending known results. 

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