@article {2102.11269, archivePrefix = {arXiv}, eprint = {2102.11269}, primaryClass = {math.RT}, author = {Andrei NeguĊ£ and Alexander Tsymbaliuk}, title = {Quantum loop groups and shuffle algebras via Lyndon words}, year = {2021}, url = {http://arxiv.org/abs/2102.11269} }