Mathematics
Hilbert Space
100%
Linear Relation
58%
Friedrichs
52%
Symmetric Operator
49%
Eigenvalue
27%
Resolvent
23%
Transfer Function
20%
Matrix (Mathematics)
20%
Contractive
17%
Canonical System
14%
Sturm-Liouville Operator
13%
Self-Adjoint
13%
Boundary Condition
13%
Linear Operator
13%
Canonical System of Differential Equations
12%
Linear Fractional Transformation
12%
Sturm-Liouville Problem
12%
De Branges
12%
Weyl Function
11%
Factorization
11%
Von Neumann
11%
Self-Adjoint Operator
10%
Bounded Linear Operator
10%
Halfplane
10%
Boundary Value Problems
10%
Linear Space
9%
Parameter Space
9%
Differential Operator
9%
Titchmarsh
9%
Theoretic Function
9%
Limit Point
8%
Singular Part
8%
Integrability Condition
8%
Interpolation Problem
8%
Inner Product
8%
Limit Property
8%
Operator Matrix
8%
Bounded Operator
8%
Extremal
8%
Coincides
7%
Lebesgue Decomposition
7%
Closed Form
6%
Singular Chain
6%
Sesquilinear
6%
Canonical Decomposition
6%
Operator-Valued Function
6%
Linear Manifold
6%
Nullity
6%
Closed Linear Subspace
6%
Characteristic Function
6%
Keyphrases
Semibounded
13%
Friedrichs Extension
11%
Hilbert Space
10%
Self-adjoint Operator
9%
Non-negative Operator
9%
Self-adjoint Extensions
9%
Symmetric Operator
7%
Eigenvalues
6%
Limit Circle
5%
System of Differential Equations
5%
Semibounded Operator
5%
Extremal Extension
5%
Sesquilinear Forms
5%
Q-function
5%
