Letters in Mathematical Physics

, Volume 34, Issue 3, pp 203–238


  • Alain Connes
    • Analyse et GeometricCollege de France

DOI: 10.1007/BF01872777

Cite this article as:
Connes, A. Lett Math Phys (1995) 34: 203. doi:10.1007/BF01872777

Geometry from the spectral point of view


In this Letter, we develop geometry from a spectral point of view, the geometric data being encoded by a triple (A. H. D.) of an algebraA represented in a Hilbert spaceH with selfadjoint operatorD. This point of view is dictated by the general framework of noncommutative geometry and allows us to use geometric ideas in many situations beyond Riemannian geometry.

Mathematics Subject Classifications (1991)

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© Kluwer Academic Publishers 1995