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15
Math.TechQA.Club
2026-04-30 08:44:05
523
Views
bounded operator whose image is contained in the image of a compact operator
Published on
30 Apr 2026 - 8:44
#functional-analysis
#compact-operators
48
Views
An operator satisfying in a sequence of equations
Published on
26 Apr 2026 - 9:57
#operator-theory
#hilbert-spaces
#c-star-algebras
#compact-operators
136
Views
Compact operator for which the image of the closed unit ball is not compact
Published on
29 Mar 2026 - 4:11
#general-topology
#compact-operators
632
Views
Weak convergence = norm convergence for trace class operators?
Published on
29 Mar 2026 - 4:11
#functional-analysis
#operator-theory
#trace
#compact-operators
426
Views
Modified shift operator is compact.
Published on
29 Mar 2026 - 4:11
#functional-analysis
#proof-verification
#operator-theory
#compact-operators
212
Views
can a sum of two non-compact operators be compact?
Published on
29 Mar 2026 - 5:49
#functional-analysis
#compact-operators
843
Views
$T:\ell^2 \to \ell^2$ is a compact operator
Published on
29 Mar 2026 - 5:49
#functional-analysis
#compact-operators
131
Views
Sequence of operators that commute imply the limit commutes?
Published on
29 Mar 2026 - 4:11
#functional-analysis
#hilbert-spaces
#compact-operators
391
Views
Nontrivial closed ideal of $\mathbb{B(H)}$, $\mathbb{H}$ is a non-separable Hilbert space.
Published on
29 Mar 2026 - 4:11
#functional-analysis
#operator-theory
#operator-algebras
#compact-operators
1k
Views
Different versions of Mercer's theorem
Published on
29 Mar 2026 - 5:49
#functional-analysis
#hilbert-spaces
#spectral-theory
#compact-operators
1.3k
Views
Dual operator of a compact operator
Published on
29 Mar 2026 - 4:09
#functional-analysis
#compact-operators
36
Views
Bounds on eigenfunctions of integraloperator
Published on
27 Mar 2026 - 10:08
#real-analysis
#compact-operators
#eigenfunctions
439
Views
Trace-Operator is compact?
Published on
29 Mar 2026 - 4:11
#functional-analysis
#compact-operators
180
Views
Spectrum of operator $T((x_n)_{n\in\mathbb{Z}})=\left(\frac{1}{n^2+1}(x_n-x_{-n})\right)_{n\in\mathbb{Z}}$
Published on
29 Mar 2026 - 5:43
#sequences-and-series
#functional-analysis
#spectral-theory
#compact-operators
388
Views
Reflexive Banach spaces, compactness
Published on
29 Mar 2026 - 4:11
#functional-analysis
#banach-spaces
#compactness
#compact-operators
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