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cond-mat.mes-hall2017★ 25 cited
Time-dependent topological systems: A study of the Bott index
Daniele Toniolo
The Bott index is an index that discerns among pairs of unitary matrices that can or cannot be approximated by a pair of commuting unitary matrices. It has been successfully employ…
cond-mat.mes-hall2017★ 40 cited
On the Bott index of unitary matrices on a finite torus
Daniele Toniolo
This article reviews the foundations of the theory of the Bott index of a pair of unitary matrices in the context of condensed matter theory, as developed by Hastings and Loring in…