290 citations · 1.2k across the 89 of their papers we have counts for
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math-ph2012★ 19 cited
The Pontryagin Class for Pre-Courant Algebroids
Zhangju Liu, Yunhe Sheng, Xiaomeng Xu
In this paper, we show that the Jacobiator of a pre-Courant algebroid is closed naturally. The corresponding equivalence class is defined as the Pontryagin class, w…
math-ph2012★ 19 cited
Non-abelian Extensions of Lie 2-algebras
Shaohan Chen, Yunhe Sheng, Zhujun Zheng
In this paper, we introduce the notion of derivations of Lie 2-algebras and construct the associated derivation Lie 3-algebra. We prove that isomorphism classes of non-abelian exte…