Abstract
We describe an interesting relation between Lie 2-algebras, the Kac-Moody central extensions of loop groups, and the group String(
Citation
John C. Baez. Danny Stevenson. Alissa S. Crans. Urs Schreiber. "From loop groups to 2-groups." Homology Homotopy Appl. 9 (2) 101 - 135, 2007.
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