TY JOUR TI Contractions of gauge groups and spontaneous symmetry breaking KW orthogonal Cayley-Klein groups KW unitary Cayley-Klein group KW contraction of the gauge group KW spontaneous symmetry breaking JO Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences AU Gromov, N.A. AU Kuratov, V.V. PY 2024 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"