Kirish............................................................................................................... 3 I BOB. Lokalbo’lmagan potensialga ega model operatoruchun Faddeyev tenglamasi. Lokal bo’lmagan potensialga ega model operatorlar chiziqli, chegaralangan va o’z-o’ziga qo’shmaoperator sifatida................................ 11Model operatorlar uchun Faddeyev tenglamasi va uning simmetrik varianti........................................................................................................... 19Faddeyev tenglamasining tadbiqlari........................................................ 27I bob xulosasi. BOB Lokalbo’lmagan potensialga ega model operatoruchun Vaynberg tenglamasi.Model operatorlar uchunVaynberg tenglamasi.................................... 45Vaynbergn tenglamasining tadbiqlari.......................................... 49II bob xulosasi. Xotima....................................................................................................................... 53 Foydalanilgan adabiyotlar............................................................................. 54