Titre : Zak transform for groupoids with abelian isotropy Auteurs : Ibrahima Toure, Kinvi Kangni, Revue : Advances in Pure and Applied Mathematics Numéro : Issue 1 (January 2023) Volume : 14 Date : 2023/01/13 DOI : 10.21494/ISTE.OP.2023.0904 ISSN : 1869-6090 Résumé : Let 𝒢 be a second countable locally compact Hausdorff groupoid with abelian isotropy groups and 𝓛 be a lattice bundle in the isotropy subgroupoid 𝒢 ’ of 𝒢. In this paper, we define a Zak transform on 𝒢 relatively to 𝓛 and study some of its properties. Moreover, we use Zak transform to obtain some characterizations of the cyclic subbundle of the left regular representation of 𝒢 restricted to 𝓛. Éditeur : ISTE OpenScience