4 papers
math.RT2025
On the derived Hall algebra of a graded gentle one-cycle algebra I: the triangle structure
Hui Chen, Dong Yang
Under a mild condition, the perfect derived category and the finite-dimensional derived category of a graded gentle one-cycle algebra are described as twisted root categories of ce…
math.RT2025
From objects finitely presented by a rigid object in a triangulated category to 2-term complexes
Dong Yang
For a rigid object in an algebraic triangulated category , a functor pr is constructed, which essentially takes an obje…
math.RT2025
Classification of silted algebras for two quivers of Dynkin type
Zongzhen Xie, Dong Yang, Houjun Zhang
In this paper, we give a complete classification of silted algebras for the quiver of type with linear orientation and for the qu…
math.RT2024
On the Ringel--Hall algebra of the gentle one-cycle algebra
Hui Chen, Dong Yang
It is shown that the gentle one-cycle algebra has Hall polynomials. The Hall polynomials are explicitly given for all triples of indecomposable modules, and as a conse…