Newbetuts
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New posts in operator-theory
generalized functions & operators
operator-theory
Every linear operator $T:X \to Y$ on a finite-dimensional normed space is bounded
real-analysis
functional-analysis
proof-verification
operator-theory
Self adjoint operators and trace class property
functional-analysis
operator-theory
Examples of bounded linear operators with range not closed
functional-analysis
operator-theory
examples-counterexamples
If $(I-T)^{-1}$ exists, can it always be written in a series representation?
functional-analysis
operator-theory
banach-algebras
Positive contraction operator on Hilbert space
operator-theory
hilbert-spaces
contraction-operator
$(a\otimes b)^z = a^z \otimes b^z$ for elements in a $C^*$-algebra and $z\in \mathbb{C}$.
complex-analysis
operator-theory
tensor-products
operator-algebras
c-star-algebras
Finding result of composing operations many times
sequences-and-series
operator-theory
Trace norm of a triangular matrix with only ones above the diagonal
linear-algebra
matrices
functional-analysis
asymptotics
operator-theory
Why is such an operator continuous?
functional-analysis
operator-theory
$T$ surjective iff $T^*$ injective in infinite-dimensional Hilbert space?
real-analysis
functional-analysis
operator-theory
Operator topologies on $L^{\infty}(X,\mu )$
functional-analysis
measure-theory
operator-theory
operator-algebras
Hilbert's Inequality
real-analysis
functional-analysis
operator-theory
integral-inequality
If $X$ is an infinite-dimensional Banach space and $u\in B(X)$ ,then $\bigcap_{v\in K(X)}\sigma(u+v) =\cdots$
operator-theory
banach-algebras
On Hilbert-Schmidt integral operators
functional-analysis
operator-theory
hilbert-spaces
convolution
compact-operators
Essential Selfadjointness of Quantum Harmonic Oscillator Hamiltonian
functional-analysis
operator-theory
special-functions
mathematical-physics
spectral-theory
Hellinger-Toeplitz theorem use principle of uniform boundedness [duplicate]
functional-analysis
operator-theory
hilbert-spaces
Example of a Bounded Linear Operator with Unbounded Spectrum.
functional-analysis
operator-theory
examples-counterexamples
normed-spaces
spectral-theory
When does convergence in range imply convergence of arguments?
real-analysis
functional-analysis
continuity
linear-transformations
operator-theory
Importance of Toeplitz operators?
reference-request
operator-theory
spectral-theory
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