
arXiv: 1201.2754
We recall a construction of non-commutative algebras related to a one-parameter family of (deformed) spheres and tori, and show that in the case of tori, the *-algebras can be completed into C*-algebras isomorphic to the standard non-commutative torus. As the former was constructed in the context of matrix (or fuzzy) geometries, it provides an important link to the framework of non-commutative geometry, and opens up for a concrete way to study deformations of non-commutative tori. Furthermore, we show how the well-known fuzzy sphere and fuzzy torus can be obtained as formal scaling limits of finite-dimensional representations of the deformed algebras, and their projective modules are described together with connections of constant curvature.
High Energy Physics - Theory, 103019 Mathematical physics, FOS: Physical sciences, Mathematical Physics (math-ph), Kähler manifolds, Commutation relations and statistics as related to quantum mechanics (general), High Energy Physics - Theory (hep-th), Naturvetenskap, Mathematics - Quantum Algebra, FOS: Mathematics, Noncommutative geometry in quantum theory, Quantum Algebra (math.QA), 103019 Mathematische Physik, Theoretical approximation of solutions to integral equations, Natural Sciences, Toric varieties, Newton polyhedra, Okounkov bodies, Rings arising from noncommutative algebraic geometry, Mathematical Physics
High Energy Physics - Theory, 103019 Mathematical physics, FOS: Physical sciences, Mathematical Physics (math-ph), Kähler manifolds, Commutation relations and statistics as related to quantum mechanics (general), High Energy Physics - Theory (hep-th), Naturvetenskap, Mathematics - Quantum Algebra, FOS: Mathematics, Noncommutative geometry in quantum theory, Quantum Algebra (math.QA), 103019 Mathematische Physik, Theoretical approximation of solutions to integral equations, Natural Sciences, Toric varieties, Newton polyhedra, Okounkov bodies, Rings arising from noncommutative algebraic geometry, Mathematical Physics
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