VARIETIES OF ALGEBRAS THAT ARE SOLVABLE OF INDEX 2
S V Pčelincev · Mathematics of the USSR-Sbornik · 1982
Let be one of the varieties , , or , and let be the set of all non-nilpotent subvarieties of . This set is provided in a natural way with a certain topology. A characterization of is given in terms of the corresponding structure on .Bibliography: 12 titles.