On BV supermanifolds and the super Atiyah class
We study global and local geometry of forms on odd symplectic BV supermanifolds, constructed from the total space of the bundle of 1-forms on a base supermanifold. We show that globally 1-forms are an extension of vector bundles defined on the base supermanifold. In the holomorphic category, we prov...
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| Main Author: | |
|---|---|
| Format: | Article (Journal) Chapter/Article |
| Language: | English |
| Published: |
3 Nov 2022
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| Edition: | Version v3 |
| In: |
Arxiv
Year: 2022, Pages: 1-23 |
| DOI: | 10.48550/arXiv.2202.08136 |
| Online Access: | Verlag, kostenfrei, Volltext: https://doi.org/10.48550/arXiv.2202.08136 Verlag, kostenfrei, Volltext: http://arxiv.org/abs/2202.08136 
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| Author Notes: | Simone Noja |
MARC
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| 520 | |a We study global and local geometry of forms on odd symplectic BV supermanifolds, constructed from the total space of the bundle of 1-forms on a base supermanifold. We show that globally 1-forms are an extension of vector bundles defined on the base supermanifold. In the holomorphic category, we prove that this extension is split if and only if the super Atiyah class of the base supermanifold vanishes, which is equivalent to the existence of a holomorphic superconnection and we show how this condition is related to the characteristic non-split geometry of complex supermanifolds. From a local point of view, we prove that the deformed de Rham double complex naturally arises as a de-quantization of the de Rham/Spencer double complex of the base supermanifold. Following \v{S}evera, we show that the associated spectral sequence yields integral forms on the base supermanifold disguised as semidensities, together with their differential in the form of a super BV Laplacian. | ||
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| 650 | 4 | |a Mathematics - Algebraic Geometry | |
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