@ARTICLE{10.21494/ISTE.OP.2023.0904, TITLE={Zak transform for groupoids with abelian isotropy}, AUTHOR={Ibrahima Toure, Kinvi Kangni, }, JOURNAL={Advances in Pure and Applied Mathematics}, VOLUME={14}, NUMBER={Issue 1 (January 2023)}, YEAR={2023}, URL={http://www.openscience.fr/Zak-transform-for-groupoids-with-abelian-isotropy}, DOI={10.21494/ISTE.OP.2023.0904}, ISSN={1869-6090}, ABSTRACT={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.}}