The Burnside bicategory of groupoids

Abstract

Several models for the Burnside bicategory of groupoids are described and shown to be equivalent. As observed by the late Gaunce Lewis, the corresponding Burnside category is additive.

21 pp. This draft improves the paper following referee's suggestions

References in corpus (1)

• Strictification of categories weakly enriched in symmetric monoidal categories

Cited by in corpus (1)

• Categories of orbit types for proper Lie groupoids