, Modi Ali Faleh Alsubaie2022-05-182022-05-1820151307https://drepo.sdl.edu.sa/handle/20.500.14154/3433Our main purpose in this thesis is to give various existence results concerning the existence of anti-periodic solutions for fractional differential inclusions of order q∈(3,4) with or without delay and contains the Caputo derivative sense in Banach spaces. In the second chapter we prove various existence results of the existence of solutions for fractional differential inclusions and with anti-periodic boundary conditionsenThesis