TY - JOUR AU - Alexander Thomas TI - Infinitesimal Modular Group: $q$-Deformed $\mathfrak{sl}_2$ and Witt Algebra JO - Symmetry, integrability and geometry: methods and applications PY - 2024 VL - 20 UR - http://geodesic.mathdoc.fr/item/SIGMA_2024_20_a52/ LA - en ID - SIGMA_2024_20_a52 ER -