arXiv
Open Access
2007
Central Extensions of Gerbes
Amnon Yekutieli
Abstrak
We introduce the notion of central extension of gerbes on a topological space. We then show that there are obstruction classes to lifting objects and isomorphisms in a central extension. We also discuss pronilpotent gerbes. These results are used in a subsequent paper to study twisted deformation quantization on algebraic varieties.
Penulis (1)
A
Amnon Yekutieli
Akses Cepat
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- Tahun Terbit
- 2007
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