47Dxx Algebraic systems of linear operators

• 47D03 (Semi)groups of linear operators, {For nonlinear operators, See 47H20; See also 20M20}
• 47D06 One-parameter semigroups and linear evolution equations
• 47D07 Markov semigroups, {For Markov processes, See 60Jxx}
• 47D09 Operator cosine functions and higher-order Cauchy problems
• 47D15 Linear spaces of operators, See also {46A32, 46B28}
• 47D20 Convex sets and cones of operators, See also {90C25, 90C31}
• 47D25 Operator algebras on Hilbert space
• 47D27 Dual operator algebras
• 47D30 Operator algebras on Banach spaces and other linear topological spaces
• 47D35 Dual spaces of operator algebras and topological groups
• 47D40 Algebras of unbounded operators
• 47D45 Applications of operator algebras to physics, See Also {46L60, 46N50, 46N55, 47N50, 47N55}
• 47D50 Operator ideals
• 47D99 None of the above but in this section