Mathematik
Operator
100%
Weyl Function
91%
Interaction
75%
Self-adjoint Operator
71%
Dirichlet-to-Neumann Map
68%
Dirac Operator
65%
Symmetric Operator
65%
Spectral Properties
60%
Scattering Matrix
58%
Eigenvalue
48%
Unbounded Domain
48%
Self-adjoint Extension
44%
Electrostatics
44%
Differential operator
42%
Resolvent
41%
Representation Formula
39%
Differential Expression
38%
Lipschitz Domains
36%
Partial Differential Operators
35%
Spectrality
34%
Elliptic Operator
34%
Hypersurface
33%
Essential Spectrum
31%
Real Line
30%
Shell
30%
Continuous Spectrum
27%
Robin Boundary Conditions
24%
Spectral Shift Function
22%
Perturbation
22%
Entire Function
22%
Limiting Absorption Principle
22%
Point Interactions
21%
Extension Theory
21%
Deficiency Index
21%
Boundary conditions
21%
Green's function
21%
Eigenvalue Estimates
20%
Dirichlet
20%
Dirichlet Boundary Conditions
20%
Large Time Asymptotics
20%
Enclosure
19%
Wave Operator
18%
Interval
17%
Eigenspace
17%
Boundary Integral
17%
Discrete Spectrum
17%
Scattering
17%
Scalar
17%
Exterior Domain
17%
Closed curve
17%
Physik & Astronomy
operators
76%
boundary conditions
31%
differential operators
29%
eigenvalues
28%
Jordan
20%
S matrix theory
17%
interactions
15%
eigenvectors
13%
entire functions
11%
coefficients
11%
perturbation
9%
completeness
8%
curves
8%
regularity
7%
set theory
7%
equivalence
7%
smear
6%
electrostatics
5%
norms
5%
function space
5%
scalars
5%
