光滑模型的半稳定CoHa及其模
On the Semi-Stable CoHa and its Modules Arising from Smooth Models
摘要:
我们研究了半稳定上同调Hall代数的一个变种,我们使用等变Chow群构造。这个代数,我们称之为半稳定的ChowHa,作为CoHa的商出现。光滑的模型,使模上的半稳定的ChowHa。我们证明,这些模块是循环的,我们计算的介绍使用Harder-Narasimhan方法。
英文摘要:
We study a variant of the semi-stable Cohomological Hall algebra which we construct using equivariant Chow groups. This algebra, we call it the semi-stable ChowHa, arises as a quotient of the CoHa. Smooth models of quiver moduli give rise to modules over the semi-stable ChowHa. We prove that these modules are cyclic and we compute a presentation using Harder-Narasimhan methods.
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