# Bundle gerbes

@inproceedings{Murray1994BundleG, title={Bundle gerbes}, author={M. Murray}, year={1994} }

Just as C principal bundles provide a geometric realisation of two-dimensional integral cohomology; gerbes or sheaves of groupoids, provide a geometric realisation of three dimensional integral cohomology through their Dixmier-Douady class. I consider an alternative, related, geometric realisation of three dimensional cohomology called a bundle gerbe. Every bundle gerbe gives rise to a gerbe and most of the well-known examples examples of gerbes are bundle gerbes. I discuss the properties of… CONTINUE READING

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Crossed module bundle gerbes; classification, string group and differential geometry

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