- involutory homeomorphism
- мат.инволютивный гомеоморфизм
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Racks and quandles — In mathematics, racks and quandles are sets with a binary operation satisfying axioms analogous to the Reidemeister moves of knot diagram manipulation.While studied primarily in a knot theoretic context, they can be viewed as algebraic… … Wikipedia