Pitchfork and Hopf bifurcations in quantum dot light emitting diode: Analysis and prediction by using artificial neural networkNasr Saeed, Cyrille Ainamon, Serdar Çiçek, Sifeu Takougang Kingni and Zhouchao WeiEur. Phys. J. D, 75 6 (2021) 168DOI: https://doi.org/10.1140/epjd/s10053-021-00188-3