Newbetuts
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New posts in spectral-theory
normal elements in spectral theory.
functional-analysis
operator-theory
spectral-theory
c-star-algebras
Examples of type III von Neumann Algebras
functional-analysis
operator-theory
spectral-theory
von-neumann-algebras
Example of a self-adjoint bounded operator on a Hilbert space with empty point spectrum
functional-analysis
operator-theory
hilbert-spaces
spectral-theory
Spectral measure of the multiplication operator
functional-analysis
operator-theory
spectral-theory
Spectrum vs eigenvalues
linear-algebra
functional-analysis
spectral-theory
fact used in C*-algebra proofs.
functional-analysis
analysis
operator-theory
spectral-theory
c-star-algebras
irreducible implies the commutant consists of multiples of identity?
representation-theory
operator-algebras
spectral-theory
c-star-algebras
$C^*$-homomorphisms and compact $T_2$ spaces
abstract-algebra
functional-analysis
operator-theory
operator-algebras
spectral-theory
If matrix $A$ has entries $A_{ij}=\sin(\theta_i - \theta_j)$, why does $\|A\|_* = n$ always hold?
linear-algebra
trigonometry
eigenvalues-eigenvectors
spectral-theory
nuclear-norm
Intuitive understanding of Maximin Principle
optimization
eigenvalues-eigenvectors
spectral-theory
eigenfunctions
Spectrum of the derivative operator
functional-analysis
operator-theory
normed-spaces
spectral-theory
Simultaneous diagonlisation of two quadratic forms, one of which is positive definite
linear-algebra
spectral-theory
diagonalization
bilinear-form
Spectral radius of the Volterra operator
functional-analysis
operator-theory
spectral-theory
spectral-radius
Essential Selfadjointness of Quantum Harmonic Oscillator Hamiltonian
functional-analysis
operator-theory
special-functions
mathematical-physics
spectral-theory
Largest eigenvalue of entry-wise absolute value of a matrix w.r.t. original maximum eigenvalue [duplicate]
matrices
matrix-calculus
spectral-theory
spectral-radius
What's the connection between the Laplace transform and the Fourier transform?
functional-analysis
fourier-analysis
integral-transforms
spectral-theory
Example of a Bounded Linear Operator with Unbounded Spectrum.
functional-analysis
operator-theory
examples-counterexamples
normed-spaces
spectral-theory
Why is it important to study the eigenvalues of the Laplacian?
analysis
partial-differential-equations
spectral-theory
harmonic-functions
Importance of Toeplitz operators?
reference-request
operator-theory
spectral-theory
Proof of Gelfand formula for spectral radius
functional-analysis
spectral-theory
banach-algebras
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