Parmanova R. T.

Publications in Math-Net.Ru

1. Structure of the essential spectrum and discrete spectrum of the energy operator of four-electron systems in the impurity Hubbard model. The third triplet state
   
   Itogi Nauki i Tekhniki. Sovrem. Mat. Pril. Temat. Obz., 229 (2023),  53–82
2. Structure of essential spectra and discrete spectrum of the energy operator of four-electron systems in the impurity Hubbard model. Quintet state. One-dimensional case
   
   Taurida Journal of Computer Science Theory and Mathematics, 2021, no. 3,  14–34