Abstract

We compute the second Hochschild cohomology space HH 2 ( H 1 ) of Connes–Moscovici's Hopf algebra H 1 , giving the infinitesimal deformations (up to equivalence) of the associative structure. The space HH 2 ( H 1 ) is shown to be one-dimensional.

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.