Hall, Chris; Puder, Doron; Sawin, William F. Ramanujan coverings of graphs. (English) Zbl 1375.05213 Adv. Math. 323, 367-410 (2018). MSC: 05C70 05C31 05C40 05C78 PDFBibTeX XMLCite \textit{C. Hall} et al., Adv. Math. 323, 367--410 (2018; Zbl 1375.05213) Full Text: DOI arXiv
Hall, Chris; Puder, Doron; Sawin, William F. Ramanujan coverings of graphs. (English) Zbl 1376.05096 Wichs, Daniel (ed.) et al., Proceedings of the 48th annual ACM SIGACT symposium on theory of computing, STOC ’16, Cambridge, MA, USA, June 19–21, 2016. New York, NY: Association for Computing Machinery (ACM) (ISBN 978-1-4503-4132-5). 533-541 (2016). MSC: 05C62 05C31 05C50 05C70 PDFBibTeX XMLCite \textit{C. Hall} et al., in: Proceedings of the 48th annual ACM SIGACT symposium on theory of computing, STOC '16, Cambridge, MA, USA, June 19--21, 2016. New York, NY: Association for Computing Machinery (ACM). 533--541 (2016; Zbl 1376.05096) Full Text: DOI