Guo Chuan Thiang

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coarse geometry 1 equivariant index 1 k-theory 1 symmetry breaking 1 topological insulators 1 topological phases 1

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math.FA2026

Proof of Kitaev determinant trivialization conjecture

Guo Chuan Thiang

Using ideas from algebraic $K$ -theory, we prove that a simple and naturally applicable criterion of Kitaev suffices to trivialize the Fredholm determinant of a multiplicative commu…