Article (Scientific journals)
Quantizations of Lie bialgebras, duality involution and oriented graph complexes
MERKOULOV (MERKULOV), Serguei; ZIVKOVIC, Marko
2022In Letters in Mathematical Physics, 112 (13), p. 1-22
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Keywords :
quantization; Lie bialgebra; graph complexes
Abstract :
[en] We prove that the action of the Grothendieck-Teichmüller group on the genus completed properad of (homotopy) Lie bialgebras commutes with the reversing directions involution of the latter. We also prove that every universal quantization of Lie bialgebras is homotopy equivalent to the one which commutes with the duality involution exchanging Lie bracket and Lie cobracket. The proofs are based on a new result in the theory of oriented graph complexes (which can be of independent interest) saying that the involution on an oriented graph complex that changes all directions on edges induces the identity map on its cohomology.
Disciplines :
Mathematics
Author, co-author :
MERKOULOV (MERKULOV), Serguei ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Mathematics (DMATH)
ZIVKOVIC, Marko ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Mathematics (DMATH)
External co-authors :
no
Language :
English
Title :
Quantizations of Lie bialgebras, duality involution and oriented graph complexes
Publication date :
February 2022
Journal title :
Letters in Mathematical Physics
ISSN :
0377-9017
eISSN :
1573-0530
Publisher :
Kluwer Academic Publishers, Dordrecht, Netherlands
Volume :
112
Issue :
13
Pages :
1-22
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
since 29 November 2021

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