@article {MR3461059,
	title = {Cyclicity for categorified quantum groups},
	journal = {J. Algebra},
	volume = {452},
	year = {2016},
	pages = {118{\textendash}132},
	issn = {0021-8693},
	doi = {10.1016/j.jalgebra.2015.11.041},
	url = {http://dx.doi.org/10.1016/j.jalgebra.2015.11.041},
	author = {Beliakova, Anna and Habiro, Kazuo and Lauda, Aaron D. and Webster, Ben}
}
