Existence of Picard operator and iterated function system

In this paper, we define weak $\theta_m-$ contraction mappings and give a new class of Picard operators for such class of mappings on a complete metric space. Also, we obtain some new results on the existence and uniqueness of attractor for a weak $\theta_m-$ iterated multifunction system. Moreover, we introduce  $(\alpha,\beta,\theta_m)-$ contractions using cyclic $(\alpha,\beta)-$ admissible mappings and obtain some results for such class of mappings without the continuity of the operator. We also provide an illustrative example to support the concepts and results proved herein.