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15
Math.TechQA.Club
2026-03-29 13:23:01
70
Views
Does weak convergence imply convergence under this special norm?
Published on
29 Mar 2026 - 13:23
#functional-analysis
#hilbert-spaces
#weak-convergence
288
Views
On the connections between the spectral theorem and functional calculus for normal operators.
Published on
23 Feb 2026 - 4:55
#functional-analysis
#operator-theory
#hilbert-spaces
#spectral-theory
#functional-calculus
21
Views
Showing that the number of non-null elements of an unconditionally Cauchy family is countable
Published on
29 Mar 2026 - 10:49
#real-analysis
#functional-analysis
#summation
#hilbert-spaces
#banach-spaces
130
Views
Closures and complements in Hilbert spaces
Published on
27 Mar 2026 - 21:23
#real-analysis
#complex-analysis
#functional-analysis
#hilbert-spaces
#operator-algebras
364
Views
Visualize the proof of $\mathcal{H} = M \oplus M^{\perp}$, where $\mathcal{H}$ Hilbert space, $M$ closed subspace
Published on
27 Mar 2026 - 13:24
#linear-algebra
#hilbert-spaces
#analytic-geometry
#intuition
#orthogonality
81
Views
Does anyone know any books provide complete picture of mathematical spaces, hierarchical view, relations, natural progression among them
Published on
28 Mar 2026 - 14:00
#vector-spaces
#hilbert-spaces
#banach-spaces
#sobolev-spaces
#book-recommendation
2.3k
Views
Power of approximate exponential of operator sum
Published on
27 Mar 2026 - 17:57
#linear-algebra
#hilbert-spaces
#lie-groups
#lie-algebras
#operator-algebras
1.8k
Views
Definition of a closable operator
Published on
25 Mar 2026 - 6:00
#functional-analysis
#hilbert-spaces
#operator-algebras
#unbounded-operators
77
Views
Inequality related to the norm of operator
Published on
06 Jun 2019 - 19:35
#functional-analysis
#operator-theory
#hilbert-spaces
407
Views
Implementing states on a C*-algebra that has a faithful representation on a separable Hilbert space
Published on
27 Mar 2026 - 17:51
#hilbert-spaces
#operator-algebras
#c-star-algebras
64
Views
Reference request: Projective representations of a simply connected real semisimple Lie group lift to unitary representations
Published on
08 Jun 2019 - 8:46
#reference-request
#representation-theory
#hilbert-spaces
#lie-groups
71
Views
Show that the norm of this operator is equal to 1
Published on
26 Mar 2026 - 15:33
#real-analysis
#analysis
#operator-theory
#hilbert-spaces
#adjoint-operators
550
Views
Extension of bounded linear operator in Hilbert Spaces
Published on
29 Mar 2026 - 12:25
#functional-analysis
#operator-theory
#hilbert-spaces
#banach-spaces
#inner-products
57
Views
Identity for complex inner product spaces
Published on
08 Jun 2019 - 20:17
#functional-analysis
#hilbert-spaces
152
Views
finding the orthogonal projection of function in $L^2((0,1)^2)$ over subspace
Published on
26 Mar 2026 - 4:51
#functional-analysis
#hilbert-spaces
#projection
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