Cobordism and deformation class of the standard model

@article{Wang2022CobordismAD,
  title={Cobordism and deformation class of the standard model},
  author={Juven Wang and Zheyan Wan and Yi-Zhuang You},
  journal={Physical Review D},
  year={2022}
}
’t Hooft anomalies of quantum field theories (QFTs) with an invertible global symmetry G (in-cluding spacetime and internal symmetries) in a d d spacetime are known to be classified by a d + 1d cobordism group TP d +1 ( G ), whose group generator is a d + 1d cobordism invariant written as an invertible topological field theory (iTFT) with a partition function Z d +1 . It has recently been proposed that the deformation class of QFTs is specified by its symmetry G and an iTFT Z d +1 . Seemingly di… 

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