The paper “The effectiveness of relativistic invariance in AdS_3“, co-authored by Andrea Fontanella (UAM/CSIC, Madrid, and former PhD student at Surrey), Olof Ohlsson Sax (Stockholm University and KTH), Bogdan Stefa\’nski (Perimeter Institute and City University), and, Alessandro Torrielli, has been accepted for publication in the Journal of High Energy Physics.  The paper uses relativistic invariance to investigate two aspects of integrable AdS3 string theory. Full details can be found in the final-form arXiv version which is here.