Atiyah covering index theorem for Riemannian foliations
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- by Moulay-Tahar Benameur and James L. Heitsch PDF
- Trans. Amer. Math. Soc. 371 (2019), 5875-5897 Request permission
Abstract:
We use the symbol calculus for foliations developed by the authors in 2017 to derive a cohomological formula for the Connes–Chern character of the Type II spectral triple given also by the authors in 2018. The same proof works for the Type I spectral triple of Connes–Moscovici. The cohomology classes of the two Connes–Chern characters induce the same map on the image of the maximal Baum–Connes map in K-theory, thereby proving an Atiyah $L^2$-covering index theorem.References
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Additional Information
- Moulay-Tahar Benameur
- Affiliation: Institut Montpellierain Alexander Grothendieck, UMR 5149 du CNRS, Université de Montpellier, Montpellier, France
- Email: moulay.benameur@umontpellier.fr
- James L. Heitsch
- Affiliation: Mathematics, Statistics, and Computer Science, University of Illinois at Chicago, Chicago, Illinois 60607
- MR Author ID: 83775
- Email: heitsch@uic.edu
- Received by editor(s): November 2, 2017
- Received by editor(s) in revised form: April 19, 2018
- Published electronically: December 14, 2018
- Additional Notes: The first author wishes to thank the French National Research Agency for support via the project ANR-14-CE25-0012-01 (SINGSTAR)
- © Copyright 2018 American Mathematical Society
- Journal: Trans. Amer. Math. Soc. 371 (2019), 5875-5897
- MSC (2010): Primary 19K56, 58B34; Secondary 46L80
- DOI: https://doi.org/10.1090/tran/7731
- MathSciNet review: 3937313