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15
Math.TechQA.Club
2026-03-26 01:03:25
137
Views
Range of Normal operator N is closed and its spectrum
Published on
26 Mar 2026 - 1:03
#functional-analysis
#spectral-theory
#normal-operator
25
Views
Spectral theory for sum of unbounded, commutative operators
Published on
25 Mar 2026 - 20:11
#hilbert-spaces
#spectral-theory
#unbounded-operators
26
Views
Does this term vanish after doing the Fourier transform of a function under a derivative even in a bounded domain?
Published on
26 Mar 2026 - 1:34
#derivatives
#fourier-transform
#spectral-theory
#boundary-value-problem
#integral-transforms
47
Views
Powers of operators and spectral gap
Published on
26 Mar 2026 - 6:27
#functional-analysis
#operator-theory
#hilbert-spaces
#spectral-theory
#self-adjoint-operators
27
Views
Intuition eigenvectors graph Laplacian for weighted graph
Published on
25 Mar 2026 - 12:46
#graph-theory
#spectral-theory
#spectral-graph-theory
#graph-laplacian
80
Views
Show that $\lambda$ is an eigenvalue of $A$ iff $\lambda + \alpha$ is an eigenvalue of $A + \alpha \cdot I$
Published on
25 Oct 2023 - 1:33
#linear-algebra
#eigenvalues-eigenvectors
#spectral-theory
92
Views
Linear algebra matrix series question about trace
Published on
25 Oct 2023 - 2:42
#linear-algebra
#combinatorics
#matrices
#eigenvalues-eigenvectors
#spectral-theory
28
Views
Exponential of operators and commutation
Published on
25 Mar 2026 - 20:07
#functional-analysis
#operator-theory
#hilbert-spaces
#spectral-theory
#unbounded-operators
55
Views
Invertible derivative operator
Published on
29 Oct 2023 - 10:34
#functional-analysis
#general-topology
#banach-spaces
#spectral-theory
37
Views
Commutation of operators
Published on
30 Oct 2023 - 20:03
#functional-analysis
#reference-request
#operator-theory
#hilbert-spaces
#spectral-theory
90
Views
Spectral calculus and inverse
Published on
31 Oct 2023 - 16:11
#functional-analysis
#operator-theory
#hilbert-spaces
#spectral-theory
163
Views
Finiteness of the Measure Space appearing in Spectral Theorem of Bounded Operators
Published on
31 Oct 2023 - 21:06
#functional-analysis
#measure-theory
#spectral-theory
26
Views
Are operators that commute with decomposable operators also decomposable?
Published on
28 Mar 2026 - 16:59
#operator-theory
#operator-algebras
#spectral-theory
#von-neumann-algebras
40
Views
Comparing an Operator and its Square Root
Published on
02 Nov 2023 - 14:45
#functional-analysis
#operator-theory
#spectral-theory
22
Views
Correlation between spectral coefficients of a random process when the sample space is finite
Published on
25 Mar 2026 - 22:10
#fourier-transform
#spectral-theory
#correlation
#discrete-time
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