Abstract
Finite real spectral triples are defined to characterise the non-commutative geometry of a fuzzy torus. The geometries are the non-commutative analogues of flat tori with moduli determined by integer parameters. Each of these geometries has four different Dirac operators, corresponding to the four spin structures on a torus. The spectrum of the Dirac operator is calculated. It is given by replacing integers with their quantum integer analogues in the spectrum of the corresponding commutative torus.
Original language | English |
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Article number | 105345 |
Journal | Journal of Geometry and Physics |
Volume | 207 |
Early online date | 24 Oct 2024 |
DOIs | |
Publication status | Published - Jan 2025 |
Keywords
- Fuzzy torus
- Matrix geometry
- Noncommutative geometry
- Spectral triple
ASJC Scopus subject areas
- Mathematical Physics
- General Physics and Astronomy
- Geometry and Topology