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Subcategories
This category has the following 7 subcategories, out of 7 total.
D
F
- Functional calculus (4 P)
I
- Invariant subspaces (11 P)
L
S
- Singular value decomposition (13 P)
- Spectral theory (54 P)
U
- Unitary operators (10 P)
Pages in category "Operator theory"
The following 155 pages are in this category, out of 155 total.
B
C
- Calderón projector
- Calkin algebra
- Cauchy–Schwarz inequality
- Choi's theorem on completely positive maps
- Cholesky decomposition
- Commutant lifting theorem
- Compact operator
- Compact operator on Hilbert space
- Composition operator
- Continuous linear operator
- Contraction (operator theory)
- Controlled invariant subspace
- Convexoid operator
- Cotlar–Stein lemma
- Crossed product
- Cyclic and separating vector
D
H
I
L
N
O
P
S
- Schatten class operator
- Schatten norm
- Schröder–Bernstein theorems for operator algebras
- Sectorial operator
- Sedrakyan's inequality
- Titu's lemma
- Self-adjoint operator
- Sherman–Takeda theorem
- SIC-POVM
- Singular integral operators of convolution type
- Singular integral operators on closed curves
- Singular value
- Sobolev spaces for planar domains
- Spectral theory of ordinary differential equations
- Stein–Strömberg theorem
- Stinespring dilation theorem
- Stinespring factorization theorem
- Strictly singular operator
- Sturm-Liouville theory
- Sturm–Liouville theory
- Subfactor
- Subnormal operator
- Symmetric operator
- Symmetrizable compact operator
- Sz.-Nagy's dilation theorem