Перегляд за автором "Tchamna, S."

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  • Cancellation ideals of a ring extension 
    Tchamna, S. (Algebra and Discrete Mathematics, 2021)
    We study properties of cancellation ideals of ring extensions. Let R ⊆ S be a ring extension. A nonzero S-regular ideal I of R is called a (quasi)-cancellation ideal of the ring extension R ⊆ S if whenever IB = IC for two ...
  • On the saturations of submodules 
    Paudel, L.; Tchamna, S. (Algebra and Discrete Mathematics, 2018)
    Let R ⊆ S be a ring extension, and let A be an R-submodule of S. The saturation of A (in S) by τ is set A[τ] = {x ∈ S : tx ∈ A for some t ∈ τ}, where τ is a multiplicative subset of R. We study properties of saturations ...