Qinghua Chen

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20172026

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math.RT2026

Quantum Weyl Relations arising from Two-Term Complexes

Qinghua Chen, Yonggang Hu

Let $Q$ be a Dynkin quiver over $k = F_{q}$ , let $A = k Q$ , and let $\Ktwo(\cP)$ be the extriangulated category of two-term complexes of projective $A$ -modules. We study the squar…

math.RT2017

Multiplicative properties of certain elements in Bridgeland's Hall algebras

Qinghua Chen, Haicheng Zhang

Let $A$ be a finite dimensional algebra of finite global dimension over a finite field. In the present paper, we introduce certain elements in Bridgeland's Hall algebra of $A$ , and…