"Hidden" O(2) and SO(2) Symmetry in Lepton Mixing

Elizabeth Boulding,JIANXIN LU,Petr Levchenko,Ralf Kneuper,George Leontaris,Egidio Longo,Poul Damgaard,Ansgar Denner,Qingcui Bu,Alexander Sevrin,Grazyna Niewiadomska,Emilio Carral,William Bell,Nathália Giuliatti,Volker Adler,Kirk Winemiller,Ignas Grigelionis,Colin Bernet,John Lord,Dalimil Mazáč,Martin Goodchild,Harvey Burd,Keisuke Yano,Kunal Vyas,Daniel Wiegand,Peter Wolfsteiner,Kristian Jensen,Garrett Poe,Raffaele Savelli,Sian Kathryn Jones,Heather Lynn Lindon,Pedro Aragão,Wei Li,Alain Jaccard,Carolyn Dzierba,Branko Vucijak,Simone Giacomelli,Andrew Degnan,Luis Garcés-Erice,Joseph Fotsing,Pavel Fileviez Perez,Digamber Porob,Srdjan Korac,David Van Wie,Nikolay Bobev,Seok Ki Choi,Luciano Panek,Vishnu Ram OV,José Tormos,Theodore Castro-Santos,Marie Connett,Gijs van Dijck,Shengqiang Shu,Thorsten Alexander Kern,Martin Köhne,Niels-Henrik Møller Hansen,Tomoko Ariga,Gerasimos Spanakis,Bo Feng,Mukund Rangamani,Josep D. 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