Extensions of semimodules and the Takahashi functor \(\text{Ext}_\Lambda (C,A)\)
The author studies the abelian monoid \(\roman{Ext}_{\Lambda}(C,A)\) (where \(\Lambda\) is a unital semiring, \(A\) and \(C\) are \(\Lambda\)-semimodules) from different standpoints.
scientific article; zbMATH DE number 2153126