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math.OA2026
On a C*-Diagonal Generated by the Toric Code
Danilo Polo Ojito, Emil Prodan
We study the abelian sub-C*-algebra of the CAR algebra generated by the start and face opertors of Kitaev's toric code. We show that it is a C*-diagonal equivalent to the canonical…
math.OA2024
On the K-theory of magnetic algebras: Iwatsuka case
Giuseppe De Nittis, Jaime Gomez, Danilo Polo Ojito
In the tight-binding approximation, an Iwatsuka magnetic field is modeled by a function on with constant, but distinct values in the two parts of the lattice separat…