2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/199346We summarize here the first results obtained using a technique we recently developed for the Noether analysis of Hopf-algebra spacetime symmetries, including the derivation of conserved charges for field theories in noncommutative spacetimes of canonical or kappa-Minkowski type.14 pages, Based in part on the lecture given by G.A.-C. at the 21st Nishinomiya-Yukawa Memorial Symposium "Noncommutative geometry and quantum spacetime in physics", but updated with the results of our recent papers arXiv:0707.1863 arXiv:0709.2063 arXiv:0709.4600General Relativity and Quantum Cosmologytext