3 papers
math.RA2026
Degree-shifted derived invariance of derived delooping levels
Jiaqun Wei, Kaili Wu, Weiqing Cao
Gélinas introduced the delooping level of an Artin algebra as a homological invariant that bounds the big finitistic dimension of the opposite algebra. A natural question is whethe…
math.RA2025
(projectively coresolved) Gorenstein flat modules over tensor rings
Guoliang Tang, Jiaqun Wei
Let be a tensor ring, where is a ring and is an -nilpotent -bimodule. Under certain conditions, we characterize projectively coresolved Gorenstein flat modul…
math.AC2025
Universal enveloping H-pseudoalgebras of DGP pseudoalgebras
Ying Chen, Jiafeng Lü, Jiaqun Wei
The notions of Poisson -pseudoalgebras are generalizations of Poisson algebras in a pseudotensor category . This paper introduces an analogue of Poisson-O…