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math.AT2021★ 17 cited
Homological approximations in persistence theory
Benjamin Blanchette, Thomas Brüstle, Eric J. Hanson
We define a class of invariants, which we call homological invariants, for persistence modules over a finite poset. Informally, a homological invariant is one that respects some ho…
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…