The obstruction to the existence of a loopless star product
Quantum Algebra
2015-02-23 v2
Abstract
We show that there is an obstruction to the existence of a star product defined by Kontsevich graphs without directed cycles.
Cite
@article{arxiv.1309.7921,
title = {The obstruction to the existence of a loopless star product},
author = {Thomas Willwacher},
journal= {arXiv preprint arXiv:1309.7921},
year = {2015}
}