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math.RT2025
-left approximation dimensions under Stable equivalence
Juxiang Sun, Guoqiang Zhao, Junling Zheng
In this paper, we investigate some transfer properties of -left approximation dimensions of modules of stably equivalent Artin algebras having neither nodes nor semisimple dire…
math.RT2024
Igusa-Todorov distances of Artin algebras
Junling Zheng
We introduce Igsua-Todorov distances of Artin algebra, prove its invariance under derived equivalence, present its application to exterior algebra, and establish the link between t…