Schrödinger operators with symmetries

Achiezer, 1960 Aguilar, 1971, Commun. Math. Phys., 22, 269, 10.1007/BF01877510 Albeverio, 1972, Annals of Physics, 71, 167, 10.1016/0003-4916(72)90305-3 Balslev, 1972, Annals of Physics, 73, 49, 10.1016/0003-4916(72)90314-4 Balslev, 1966, Math. Scand., 19, 193, 10.7146/math.scand.a-10810 Balslev, 1969, Group representations and quantum mechanics Balslev, 1971, Spectral theory of many-body Schrödinger operators, 1 Balslev, 1971, Commun. Math. Phys., 22, 280, 10.1007/BF01877511 Berezanski, 1965, Eigenfunction expansion of self-adjoint operators Combes, 1969, Commun. Math. Phys., 12, 183, 10.1007/BF01667314 Dunford, 1958 Hellwing, 1964 Hunziker, 1966, Helv. Phys. Acta, 39, 451 Ichinose, 1971, f. reine u. angwdt. Math. Jorgens, 1967, Math. Z., 96, 355, 10.1007/BF01117096 Kato, 1951, Trans. Amer. Math. Soc., 70, 212, 10.1090/S0002-9947-1951-0041011-1 Kato, 1967, Suppl. Progr. Theor. Phys., 40, 3, 10.1143/PTPS.40.3 Kato, 1966 Neumark, 1963 Nelson, 1959, Ann. of Math., 70, 572, 10.2307/1970331 Sigalov, 1967, Uspehi Mat. Nauk, 22 Sigalov, A.G., and I.M. Sigal, J. Theor. Math. Phys. Vol. 5. (Russian) Simon, 1970, HPA, 53, 607 Simon, 1971 Simon, 1971 Steinberg, 1968, Arch. Rat. Mech. Analysis, 31.5, 372, 10.1007/BF00251419 Uchiyama, 1969, Publ. Res. Inst. Math. Sci. Kyoto, 5, 61, 10.2977/prims/1195194752 Van Winter, 1968, Commun. Math. Phys., II, 19, 10.1007/BF01654300 Weidmann, 1967, Bull. Amer. Math. Soc., 73, 452, 10.1090/S0002-9904-1967-11781-6 Wigner, 1959 Wolf, 1959, Commun. Pure Appl. Math., 12, 211, 10.1002/cpa.3160120202 Zislin, 1960, Trudy Mosk. Mat. Obsc., 9, 81 Zislin, 1965, Izv. Akad. Nauk SSSR, Ser. Math., 29, 835 Zislin, 1965, Izv. Akad. Nauk SSSR, Ser. Math., 29, 1261 Zislin, 1969, Izv. Akad. Nauk SSSR, Ser. Math., 33.3, 590 Zislin, 1971, J. Theor. Math. Phys. Russian, 7