@article{Sugino:2019Zf, author = "Sugino, Fumihiko and Padmanabhan, Pramod and Korepin, Vladimir", title = "{Highly entangled quantum spin chains and their semigroup extensions}", doi = "10.22323/1.340.0319", journal = "PoS", year = 2019, volume = "ICHEP2018", pages = "319" }