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arXiv 2102.04995math.AG
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Bridgeland半稳定全纯三元组的模

Moduli of Bridgeland semistable holomorphic triples

Dominic Bunnett, Alejandra Rincón-Hidalgo

摘要:

本文证明了具有固定数值类和相位的$g(C)\geq 1$曲线上Bridgeland半稳定全纯三元组的模栈是$\mathbb{C}$上的有限型代数栈,并且存在一个适当的好模空间.我们证明了这也适用于一类全纯链范畴$\mathcal{T}_{C,n}$上的Bridgeland稳定性条件。在此过程中,我们构造了$\mathcal{T}_{C,n}$的一个显式几何实现,并证明了$D^b(X)$的容许范畴中Noether心的开心性质,其中$X$是$\mathbb{C}$上的光滑投射簇,其正交补是几何三角范畴.

英文摘要:

We prove that the moduli stack of Bridgeland semistable holomorphic triples over a curve of $g(C)\geq 1$ with a fixed numerical class and phase is an algebraic stack of finite type over $\mathbb{C}$ and admits a proper good moduli space. We prove that this also holds for a class of Bridgeland stability conditions on the category of holomorphic chains $\mathcal{T}_{C,n}$. In the process, we construct an explicit geometric realisation of $\mathcal{T}_{C,n}$ and prove the open heart property for noetherian hearts in admissible categories of $D^b(X)$, where $X$ is a smooth projective variety over $\mathbb{C}$, whose orthogonal complements are geometric triangulated categories.

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