- nondiagonal representation
- мат. недиагональное представление (оператора)
Большой англо-русский и русско-английский словарь. 2001.
Большой англо-русский и русско-английский словарь. 2001.
Dynkin diagram — See also: Coxeter–Dynkin diagram Finite Dynkin diagrams Affine (extended) Dynkin diagrams … Wikipedia
Coxeter group — In mathematics, a Coxeter group, named after H.S.M. Coxeter, is an abstract group that admits a formal description in terms of mirror symmetries. Indeed, the finite Coxeter groups are precisely the finite Euclidean reflection groups; the symmetry … Wikipedia
Digraph (mathematics) — A directed graph or digraph G is an ordered pair G := (V, A) with * V is a set, whose elements are called vertices or nodes, * A is a set of ordered pairs of vertices, called directed edges, arcs, or arrows.It differs from an ordinary, undirected … Wikipedia
Directed graph — A directed graph. A directed graph or digraph is a pair G = (V,A) (sometimes G = (V,E)) of:[1] a set V, whose elements are called vertices or … Wikipedia