Nous montrons qu'il y a une obstruction à l'éxistence d'une produit étoile défini par les graphes de Kontsevich sans cycle orienté.
We show that there is an obstruction to the existence of a star product defined by Kontsevich graphs without directed cycles.
Accepté le :
Publié le :
Thomas Willwacher 1
@article{CRMATH_2014__352_11_881_0, author = {Thomas Willwacher}, title = {The obstruction to the existence of a loopless star product}, journal = {Comptes Rendus. Math\'ematique}, pages = {881--883}, publisher = {Elsevier}, volume = {352}, number = {11}, year = {2014}, doi = {10.1016/j.crma.2014.09.018}, language = {en}, }
Thomas Willwacher. The obstruction to the existence of a loopless star product. Comptes Rendus. Mathématique, Volume 352 (2014) no. 11, pp. 881-883. doi : 10.1016/j.crma.2014.09.018. https://comptes-rendus.academie-sciences.fr/mathematique/articles/10.1016/j.crma.2014.09.018/
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