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A $\mathbb{Z}_{2}$-Topological Index as a $\mathbb{Z}_{2}$-State Index. (arXiv:2203.01320v1 [math-ph]) http://arxiv.org/abs/2203.01320
A $\mathbb{Z}_{2}$-Topological Index as a $\mathbb{Z}_{2}$-State Index. (arXiv:2203.01320v1 [math-ph]) http://arxiv.org/abs/2203.01320