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math.RT2021
Weak cotorsion, -tilting and two-term categories
Aslak Bakke Buan, Yu Zhou
Motivated by its links to -tilting theory, we introduce a generalization of cotorsion pairs in module categories. Such pairs are also linked to co-t-structures in corresponding…
math.RT2021★ 6 cited
-perpendicular wide subcategories
Aslak Bakke Buan, Eric J. Hanson
Let be a finite-dimensional algebra. A wide subcategory of is called left finite if the smallest torsion class containing it is functorially finite. In this pap…