@article {CaltechAUTHORS_https://authors.library.caltech.edu/id/eprint/101673, title ="Unified structure for exact towers of scar states in the AKLT and other models", author = "Mark, Daniel K. and Lin, Cheng-Ju and Motrunich, Olexei I.", journal = "arXiv", month = "January", year = "2020", url = "https://resolver.caltech.edu/CaltechAUTHORS:20200303-083407096", }