- algebraical knot
- мат.алгебраический узел
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Von Neumann algebra — In mathematics, a von Neumann algebra or W* algebra is a * algebra of bounded operators on a Hilbert space that is closed in the weak operator topology and contains the identity operator. They were originally introduced by John von Neumann,… … Wikipedia