9 citations · 63 across the 28 of their papers we have counts for
Showing 1999 · math.CTShow all
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math.CT1999★ 2 cited
On Categorification
Lucian M. Ionescu
We review several known categorification procedures, and introduce a functorial categorification of group extensions with applications to non-abelian group cohomology. Categorifica…
math.CT1999
On Ideals and Homology in Additive Categories
Lucian M. Ionescu
Ideals are used to define homological functors for additive categories. In abelian categories the ideals corresponding to the usual universal objects are principal, and the constru…