Newbetuts
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New posts in spectral-theory
Help computing an integral for Green's function of a discrete Laplacian on a square lattice
integration
physics
spectral-theory
"bounding" an unbounded operator
functional-analysis
operator-theory
spectral-theory
unbounded-operators
What is the use of Spectral Theorem?
hilbert-spaces
operator-theory
spectral-theory
operator-algebras
Spectrum proofs
functional-analysis
hilbert-spaces
spectral-theory
Sturm-Liouville problem and periodic boundary conditions
real-analysis
analysis
functional-analysis
operator-theory
spectral-theory
Ways to calculate the spectrum of an operator
functional-analysis
reference-request
operator-theory
spectral-theory
Gelfand formula for the spectral radious.
functional-analysis
spectral-theory
Absolutely continuous spectrum invariant under unitary equivalence
functional-analysis
analysis
operator-theory
mathematical-physics
spectral-theory
Spectrum of a compact operator
linear-algebra
spectral-theory
compact-operators
Eigenvalues and Spectrum
linear-algebra
functional-analysis
eigenvalues-eigenvectors
spectral-theory
Property of spectrum of an operator: $\sigma(T)=\sigma_{app}(T)\cup\sigma_{comp}(T)$
functional-analysis
spectral-theory
The spectral radius of normal operator
functional-analysis
operator-theory
hilbert-spaces
spectral-theory
normal-operator
Spectral Theorem applied to $\frac{d^2}{dx^2}$
functional-analysis
spectral-theory
Eigenvalues of doubly stochastic matrices
linear-algebra
spectral-theory
Prove that if $A$ is a normal operator on an complex separable hilbert space $H$ and $A^{3} = A^{4}$ then $A$ is self adjoint
hilbert-spaces
spectral-theory
normal-operator
Quantization of angular momentum: is Dirac's proof wrong?
hilbert-spaces
operator-theory
spectral-theory
quantum-mechanics
mathematical-physics
Reason for Continuous Spectrum of Laplacian
differential-geometry
spectral-theory
Definition of resolvent set
functional-analysis
operator-theory
hilbert-spaces
spectral-theory
Convergence of spectra under strong convergence of operators
functional-analysis
spectral-theory
C*-algebras and unitary elements. [closed]
functional-analysis
operator-theory
spectral-theory
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