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arXiv 2107.13367math.AGmath.ATmath.CT
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关于一种变形的胶合稳定性条件

On a deformation of gluing stability conditions

Kotaro Kawatani

摘要:

Collins和Polishchuk在具有半正交分解$\mathbf D=\langle{\mathbf D_{1}},{\mathbf D_{2}}\rangle$的三角化范畴$\mathbf D$上建立了一个关于$\mathbf D$的稳定性条件的胶合构造.胶合构造给出了$\mathbf D$上的稳定性条件,该条件来自于$\mathbf D_{1}$和$\mathbf D_{2}$上的稳定性条件。本文研究了一个变形的胶合稳定性条件,对于一个很好的半正交分解。因此,我们构造了一个连续的家庭的稳定性条件,显示变形性能介绍Bridgeland的原始文件。这里的变形性质弱于支撑性质,而支撑性质是连续性的标准解。在证明了族的连续性之后,我们证明了族中的每一个稳定性条件都通过特殊化满足支撑性质。更确切地说,我们找到了一个稳定的条件,支持性质的边界上的家庭。最后应用这些结果,研究了三角范畴中态射范畴的稳定性条件空间。

英文摘要:

On a triangulated category $\mathbf D$ equipped with a semiorthogonal decomposition $\mathbf D=\langle{\mathbf D_{1}},{\mathbf D_{2}}\rangle$, Collins and Polishchuk develop a gluing construction of stability condition on $\mathbf D$. The gluing construction gives a stability condition on $\mathbf D$ from these on $\mathbf D_{1}$ and $\mathbf D_{2}$. We study a deformation of gluing stability conditions on for a nice semiorthogonal decomposition. As a consequence, we construct a continuous family of stability conditions by showing a deformation property introduced by Bridgeland's original paper. Here the deformation property is weaker than the support property which is the standard solution for the continuousness. After proving the continuousness of the family, we show that each stability condition in the family satisfies the support property via specialization. More precisely we find a stability condition with support property at the boundary of the family. Finally applying these results, we study the space of stability conditions on the category of morphisms in a triangulated category.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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