Extremal projectors for contragredient Lie (super)symmetries (short review)
Abstract
A brief review of the extremal projectors for contragredient Lie (super)symmetries (finite-dimensional simple Lie algebras, basic classical Lie superalgebras, infinite-dimensional affine Kac-Moody algebras and superalgebras, as well as their quantum q-analogs) is given. Some bibliographic comments on the applications of extremal projectors are presented.
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