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math.RT2020
Classification of higher wide subcategories for higher Auslander algebras of type A
Martin Herschend, Peter Jorgensen
A subcategory of an abelian category is called wide if it is closed under kernels, cokernels, and extensions. Wide subcategories are of interest in representation the…
math.RT2009
Solution to the Clebsch-Gordan problem for string algebras
Martin Herschend
The category of modules over a string algebra is equipped with a tensor product defined point-wise and arrow-wise in terms of the underlying quiver. In the present article we inves…
math.RT2008★ 5 cited
On the representation ring of the polynomial algebra over a perfect field
Erik Darpö, Martin Herschend
We consider the tensor product of modules over the polynomial algebra corresponding to the usual tensor product of linear operators. We present a general description of the represe…