Orbifolds, Sheaves and Groupoids |
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| Authors: | I. Moerdijk and D. A. Pronk |
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| Affiliation: | (1) Mathematical Institute, University of Utrecht, The Netherlands |
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| Abstract: | We characterize orbifolds in terms of their sheaves, and show that orbifolds correspond exactly to a specific class of smooth groupoids. As an application, we construct fibered products of orbifolds and prove a change-of-base formula for sheaf cohomology. |
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| Keywords: | Orbifold smooth groupoid sheaf equivariant cohomology. |
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