Physics – Mathematical Physics
Scientific paper
1998-07-09
Commun.Math.Phys.203:119-184,1999
Physics
Mathematical Physics
77 pages, PlainTeX, no figures; present paper is a significantly extended version of the second half of hep-th/9612205. Assump
Scientific paper
10.1007/s002200050608
Classical differential geometry can be encoded in spectral data, such as Connes' spectral triples, involving supersymmetry algebras. In this paper, we formulate non-commutative geometry in terms of supersymmetric spectral data. This leads to generalizations of Connes' non-commutative spin geometry encompassing non-commutative Riemannian, symplectic, complex-Hermitian and (Hyper-)Kaehler geometry. A general framework for non-commutative geometry is developed from the point of view of supersymmetry and illustrated in terms of examples. In particular, the non-commutative torus and the non-commutative 3-sphere are studied in some detail.
Froehlich Juerg
Grandjean Olivier
Recknagel Andreas
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