hal-02357244 title_s Strichartz estimates and Fourier restriction theorems on the Heisenberg group auteur Hajer Bahouri, Davide Barilari, Isabelle Gallagher journal Journal of Fourier Analysis and Applications numero 27 pages 21 doi 10.1007/s00041-021-09822-5 fichier_hal https://hal.science/hal-02357244/document annee 2021