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Autor:
Natsume, Toshikazu, Nest, Ryszard
We study an analogue of chirality operators associated with quantum walks on the binary tree. For those operators we introduce a K-theoretic invariant, an analogue of the index of Fredholm operators, and compute its values in the ring of di-adic inte
Externí odkaz:
http://arxiv.org/abs/2310.13094
