paper

Some examples of -structures for finite-dimensional algebras

arXiv:1910.06139 · doi:10.1016/j.jalgebra.2020.04.031

Abstract

We describe the heart of the canonical -structure on the perfect derived category of a strictly positive graded algebra as the module category over the quadratic dual. Applying this result we obtain examples showing new phenomena on -structures on derived categories of finite-dimensional algebras.

Comment added: Theorem 4.1 generalises [30,Theorem 39]

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