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On the irrationality of certain coefficients of the Alekseev-Torossian associator | Matteo Felder
; | Date: |
23 Mar 2016 | Abstract: | We give explicit formulas for the first few coefficients of the
Alekseev-Torossian associator and a second Drinfeld associator. This is done by
analyzing the free and transitive action of the Grothendieck-Teichm"uller
group and its Lie algebra $mathfrak{grt}_1$ on the set of Drinfeld
associators. As a result we obtain that, up to a conjecture on multiple zeta
values, both associators are not rational. | Source: | arXiv, 1603.7193 | Services: | Forum | Review | PDF | Favorites |
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