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Information × Registration Number 0125U002856, ( 0226U000211  ) R & D request Title Classification of subalgebras of Lie algebras and symmetry analysis of submodels of the system of Nizhnik equations Head Vinnichenko Oleksandra O., Доктор філософії Registration Date 02-07-2025 Organization Institute of Mathematics of the National Academy of Sciences of Ukraine popup.description1 The purpose of the work is to perform a symmetry analysis of submodels of the system of Nizhnik equations, in particular the Boiti–Leon–Manna–Pempinelli equation, using various algebraic methods, and to investigate the maximal subalgebras of the Lie algebra of all derivations of the polynomial algebra in several variables. popup.nrat_date 2025-07-02 Close