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math.RT2017★ 2 cited
Rigidity dimension - a homological dimension measuring resolutions of algebras by algebras of finite global dimension
Hongxing Chen, Ming Fang, Otto Kerner +2
A new homological dimension is introduced to measure the quality of resolutions of `singular' finite dimensional algebras (of infinite global dimension) by `regular' ones (of finit…
math.RT2017
Thick Subcategories of the stable category of modules over the exterior algebra
Otto Kerner, Dan Zacharia
We study thick subcategories defined by modules of complexity one in $\underline{\md}R$, where is the exterior algebra in indeterminates.