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15
Math.TechQA.Club
2026-03-23 10:58:08
53
Views
Construct identification between $L^2( \Omega;H)$ and $L^2(T \times \Omega)$ where $H=L^2(T, \mathcal B,\mu)$
Published on
23 Mar 2026 - 10:58
#hilbert-spaces
#malliavin-calculus
173
Views
Proof of the Cotlar–Stein almost-orthogonality lemma
Published on
14 Feb 2019 - 6:58
#functional-analysis
#analysis
#inequality
#hilbert-spaces
285
Views
How can we show that this nonnegative symmetric bilinear form is closable?
Published on
25 Mar 2026 - 6:05
#functional-analysis
#operator-theory
#hilbert-spaces
#bilinear-form
#stochastic-differential-equations
170
Views
Non-diagonalizable compact operators and the trace-class condition
Published on
26 Mar 2026 - 16:04
#functional-analysis
#operator-theory
#hilbert-spaces
#spectral-theory
#trace
125
Views
Completion of a subspace of a Hilbert space with respect to a positive semi-definite symmetric bilinear form
Published on
25 Mar 2026 - 6:06
#functional-analysis
#hilbert-spaces
#inner-products
#bilinear-form
98
Views
Hilbert space inequality in series expansion coefficients
Published on
27 Mar 2026 - 7:49
#functional-analysis
#inequality
#hilbert-spaces
#quantum-mechanics
161
Views
Some questions about the spectral composition of a nonnegative self-adjoint operator
Published on
25 Mar 2026 - 7:48
#functional-analysis
#operator-theory
#hilbert-spaces
#spectral-theory
#self-adjoint-operators
54
Views
Show that the pseudoinverse of $T$ is $1/4T$.
Published on
16 Feb 2019 - 14:42
#linear-algebra
#hilbert-spaces
123
Views
What is the largest possible expectation of difference between two i.i.d. random vectors in the separable Hilbert space?
Published on
17 Feb 2019 - 8:38
#linear-algebra
#probability
#probability-theory
#hilbert-spaces
#expected-value
171
Views
Criteria for a Hilbert space to be an RKHS
Published on
17 Feb 2019 - 11:39
#soft-question
#hilbert-spaces
235
Views
Trying to understand a standard example of weakly but not strongly measurable function
Published on
17 Feb 2019 - 12:29
#real-analysis
#integration
#functional-analysis
#measure-theory
#hilbert-spaces
62
Views
Hilbert space $x-P(x)\in A^{\perp}\Rightarrow \|x-P(x)\|=d(x,A)$
Published on
27 Mar 2026 - 19:33
#functional-analysis
#proof-explanation
#hilbert-spaces
#alternative-proof
157
Views
Interior of linear subspace
Published on
18 Feb 2019 - 8:20
#real-analysis
#general-topology
#hilbert-spaces
587
Views
Hilbert Space: Orthogonal projection is linear
Published on
25 Mar 2026 - 19:24
#functional-analysis
#proof-explanation
#hilbert-spaces
#alternative-proof
#projection
85
Views
Completeness of a specific Hilbert space
Published on
18 Feb 2019 - 11:09
#real-analysis
#sequences-and-series
#proof-verification
#hilbert-spaces
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