Azeibar, RababSypervisor :Douadi, Drihem2023-07-172023-07-172023-06-10https://repository.univ-msila.dz/handle/123456789/40586In thisthesis,westudytheboundednessofsingularintegraloperatorsandpseudo-diferential operatorsonvariablelocalHerz-typeHardyspaces.Todothese,wepresentsometheir propertiessuchustheatomicandmoleculardecompositionofsuchspaces.enHerz spaces,Herz-typeHardyspaces,maximalfunction,variableexponent,pseudo-differential operators,singularintegraloperators,atom,molecule.Variable local Herz-type Hardy spaces and applicationsThesis