Similar to 稠密に定義された作用素

Nuclear space

Nuclear operators between Banach spaces

Difference operator

Operator (mathematics)

Quasinormal operator

Ladder operator

Dilation (operator theory)

Hermitian adjoint

Normal operator

Transfer operator

Trace class

Normed vector space

Hardy space

Hyponormal operator

Paranormal operator

Seminorm

Compact operator on Hilbert space

Hilbert–Schmidt operator

Hilbert–Schmidt integral operator

Von Neumann's inequality

Calculus of variations

Finite-rank operator

Unitary operator

Riesz–Thorin theorem