We show that the bimodules associated to the maps between à etale groupoids admit a natural cocommutative coalgebra structure which is preserved under composition. Moreover, we obtain a Hopf algebroid structure on the Connes convolution algebra of an à etale groupoid, which is invariant under Morita
✦ LIBER ✦
On the Algebraic Index for Riemannian Étale Groupoids
✍ Scribed by Markus J. Pflaum; Hessel Posthuma; Xiang Tang
- Book ID
- 106456250
- Publisher
- Springer
- Year
- 2009
- Tongue
- English
- Weight
- 293 KB
- Volume
- 90
- Category
- Article
- ISSN
- 0377-9017
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