（0，2）模空间的整体性质：环面簇与切丛
Global aspects of (0,2) moduli space: toric varieties and tangent bundles
摘要：
研究了NEF Fano复曲面簇的A/2半扭曲规范线性西格玛模型的模空间.专注于环面变形的切丛，我们描述了许多（0，2）理论的真空结构，特别是识别轨迹在参数空间中的自发超对称破缺或发散的地面环的recruitators。我们发现，这样的A/2理论及其基环的参数空间一般是一个模栈，我们在例子中表明，适当的稳定性条件，它是可能的，以获得一个简单的紧化的模空间的光滑A/2理论。
英文摘要：
We study the moduli space of A/2 half-twisted gauged linear sigma models for NEF Fano toric varieties. Focusing on toric deformations of the tangent bundle, we describe the vacuum structure of many (0,2) theories, in particular identifying loci in parameter space with spontaneous supersymmetry breaking or divergent ground ring correlators. We find that the parameter space of such an A/2 theory and its ground ring is in general a moduli stack, and we show in examples that with suitable stability conditions it is possible to obtain a simple compactification of the moduli space of smooth A/2 theories.
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