T-对偶性的范畴对称性
代数拓扑
2026-05-22 v3 数学物理
math.MP
摘要
拓扑 T-对偶性对应是可由严格 Lie 2-群分类的高阶范畴对象。在本文中,我们计算了该 2-群的范畴自同构群;从而得到了拓扑 T-对偶性的高阶范畴对称性。我们证明该范畴自同构群是积分分裂伪正交群的非中心范畴扩张。我们证明它在多个子群上分裂,且其 k-不变量为 2-挠。
引用
@article{arxiv.2202.09187,
title = {Categorical symmetries of T-duality},
author = {Konrad Waldorf},
journal= {arXiv preprint arXiv:2202.09187},
year = {2026}
}
备注
42pages. v2 has several smaller corrections and an improved introduction. v3 contains further improvements and some minor additions; v3 is the published version