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20092022
most citedThe Classification of Two-Dimensional Extended Topological Field Theories

163 citations · 426 across the 9 of their papers we have counts for

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math.AT2009★ 64 cited

Central Extensions of Smooth 2-Groups and a Finite-Dimensional String 2-Group

Christopher Schommer-Pries

We provide a model of the String group as a central extension of finite-dimensional 2-groups in the bicategory of Lie groupoids, left-principal bibundles, and bibundle maps. This b…