根栈和抛物线连接上的实结构

IF 0.5 4区 数学 Q3 MATHEMATICS Geometriae Dedicata Pub Date : 2024-01-30 DOI:10.1007/s10711-023-00880-1
Sujoy Chakraborty, Arjun Paul
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引用次数: 0

摘要

让 D 是光滑复 variety X 上的还原有效严格正交除数,让 \(\mathfrak {X}_D\) 是 \(\mathbb C\) 上的相关根栈。假设 X 允许有一个反全反卷积(实结构)来保持 D 不变。我们将证明根堆栈 \(\mathfrak {X}_D\) 自然包含一个与 X 兼容的实结构。我们还将在这个根堆栈上的实对数连接范畴和 X 上的实抛物线连接范畴之间建立一个等价范畴。
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Real structures on root stacks and parabolic connections

Let D be a reduced effective strict normal crossing divisor on a smooth complex variety X, and let \(\mathfrak {X}_D\) be the associated root stack over \(\mathbb C\). Suppose that X admits an anti-holomorphic involution (real structure) that keeps D invariant. We show that the root stack \(\mathfrak {X}_D\) naturally admits a real structure compatible with X. We also establish an equivalence of categories between the category of real logarithmic connections on this root stack and the category of real parabolic connections on X.

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来源期刊
Geometriae Dedicata
Geometriae Dedicata 数学-数学
CiteScore
0.90
自引率
0.00%
发文量
78
审稿时长
4-8 weeks
期刊介绍: Geometriae Dedicata concentrates on geometry and its relationship to topology, group theory and the theory of dynamical systems. Geometriae Dedicata aims to be a vehicle for excellent publications in geometry and related areas. Features of the journal will include: A fast turn-around time for articles. Special issues centered on specific topics. All submitted papers should include some explanation of the context of the main results. Geometriae Dedicata was founded in 1972 on the initiative of Hans Freudenthal in Utrecht, the Netherlands, who viewed geometry as a method rather than as a field. The present Board of Editors tries to continue in this spirit. The steady growth of the journal since its foundation is witness to the validity of the founder''s vision and to the success of the Editors'' mission.
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