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math.QA2016
Belavin-Drinfeld quantum groups and Lie bialgebras: Galois cohomology considerations
Arturo Pianzola, Alexander Stolin
We relate the Belavin--Drinfeld cohomologies (twisted and untwisted) that have been introduced in the literature to study certain families of quantum groups and Lie bialgebras over…
math.QA2016
Lie Bialgebras, Fields of Cohomological Dimension at Most 2 and Hilbert's Seventeenth Problem
Seidon Alsaody, Alexander Stolin
We investigate Lie bialgebra structures on simple Lie algebras of non-split type . It turns out that there are several classes of such Lie bialgebra structures, and it is possib…