| 47Cxx | | Prev: 47B | Up: 47 | Next: 47D | | 
| Individual linear operators as elements of algebraic systems | 
47C05 Operators in algebras 47C10 Operators in $^*$-algebras 47C15 Operators in $C^*$- or von Neumann algebras 47C99 None of the above, but in this section