Geodesic
A parallel section functor for 2-vector bundles
Theory and applications of categories, Tome 33 (2018), pp. 644-690

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We associate to a 2-vector bundle over an essentially finite groupoid a 2-vector space of parallel sections, or, in representation theoretic terms, of higher invariants, which can be described as homotopy fixed points. Our main result is the extension of this assignment to a symmetric monoidal 2-functor $Par : 2VecBunGrpd \to 2Vect$. It is defined on the symmetric monoidal bicategory $2VecBunGrpd$ whose morphisms arise from spans of groupoids in such a way that the functor $Par$ provides pull-push maps between 2-vector spaces of parallel sections of 2-vector bundles. The direct motivation for our construction comes from the orbifoldization of extended equivariant topological field theories.

Publié le :
Classification : 18D05, 18D10
Keywords: parallel section, homotopy fixed points, higher representation, higher vector bundle, groupoid, topological field theory 
@article{TAC_2018_33_a22,
     author = {Christoph Schweigert and Lukas Woike},
     title = {A parallel section functor for 2-vector bundles},
     journal = {Theory and applications of categories},
     pages = {644--690},
     publisher = {mathdoc},
     volume = {33},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2018_33_a22/}
}
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Christoph Schweigert; Lukas Woike. A parallel section functor for 2-vector bundles. Theory and applications of categories, Tome 33 (2018), pp. 644-690. http://geodesic.mathdoc.fr/item/TAC_2018_33_a22/