Zahra, SeghiriSurpervisor: Khalil, Saadi2025-07-072025-07-072025-06-15https://repository.univ-msila.dz/handle/123456789/46716This thesis addresses linearization in functional analysis, where it transforms nonlinear map pings, such as Lipschitz and multilinear mappings, into linear mappings. The goal is to understand the properties of these mappings and the possibility of studying them using p-summing properties.enArens-Eells spaceLipschitz operatorp-summing operatorslinearizationThesis