Obstruction classes of crossed modules of Lie algebroids and Lie groupoids linked to existence of principal bundles
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Publication:934646
DOI10.1007/s10455-007-9098-0zbMath1146.55012arXivmath/0611226OpenAlexW2163831592MaRDI QIDQ934646
Friedrich Wagemann, Camille Laurent-Gengoux
Publication date: 30 July 2008
Published in: Annals of Global Analysis and Geometry (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/math/0611226
Obstruction theory in algebraic topology (55S35) Topological groupoids (including differentiable and Lie groupoids) (22A22) Other homology theories in algebraic topology (55N35) Obstructions from topology (19J99)
Related Items
Lie Groups of Bundle Automorphisms and Their Extensions ⋮ Principal 2-bundles and their gauge 2-groups ⋮ Equivalences of smooth and continuous principal bundles with infinite-dimensional structure group ⋮ On Lie bialgebroid crossed modules ⋮ Connections on central extensions, lifting gerbes, and finite-dimensional obstruction vanishing
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