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On the tangent groupoid of a filtered manifold

On the tangent groupoid of a filtered manifold We give an intrinsic (coordinate‐free) construction of the tangent groupoid of a filtered manifold. This is an analogue of Connes' tangent groupoid which is pertinent for the analysis of certain subelliptic differential operators. It is a deformation of the pair groupoid to a bundle of nilpotent groups. We also describe the analogous construction in the context of the adiabatic groupoids of a filtered Lie groupoid. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bulletin of the London Mathematical Society Wiley

On the tangent groupoid of a filtered manifold

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References (26)

Publisher
Wiley
Copyright
© 2017 London Mathematical Society
ISSN
0024-6093
eISSN
1469-2120
DOI
10.1112/blms.12096
Publisher site
See Article on Publisher Site

Abstract

We give an intrinsic (coordinate‐free) construction of the tangent groupoid of a filtered manifold. This is an analogue of Connes' tangent groupoid which is pertinent for the analysis of certain subelliptic differential operators. It is a deformation of the pair groupoid to a bundle of nilpotent groups. We also describe the analogous construction in the context of the adiabatic groupoids of a filtered Lie groupoid.

Journal

Bulletin of the London Mathematical SocietyWiley

Published: Dec 1, 2017

Keywords: ; ; ; ;

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