3 papers
math.AC2026
Weakly Ding injective complexes
James Gillespie, Alina Iacob
Working over a (left) coherent ring, we consider the class of weakly Ding injective complexes. These are the cycles of the exact complexes of FP-injective complexes that stay exact…
math.KT2026
Gorenstein flat preenvelopes and weakly Ding injective covers
Alina Iacob
We consider a (left) coherent ring R. We prove that if the character module of every Ding injective (left) R-module is Gorenstein flat, then the class of Gorenstein flat (right) R-…
math.AC2024
Homological dimensions of complexes over coherent regular rings
James Gillespie, Alina Iacob
We show that Iacob-Iyengar's answer to a question of Avromov-Foxby extends from Noetherian to coherent rings. In particular, a coherent ring R is regular if and only if the injecti…