Stability analysis of a Bose–Einstein condensate trapped in a generic potential Elías Castellanos, Celia Escamilla-Rivera and Mayra J. Reyes-Ibarra Eur. Phys. J. D, 72 9 (2018) 156 Published online: 13 September 2018 DOI: 10.1140/epjd/e2018-80239-4