Question

Understanding the spectral measure of unbounded self-adjoint operator

score 85 · Answer 1 · 2026-04-03 19:44:00

85

Views

Understanding the spectral measure of unbounded self-adjoint operator

Published on 03 Apr 2026 - 19:44

score 70 · Answer 2 · 2026-02-24 10:12:07

70

Views

Functional Calculus F(T)

Published on 24 Feb 2026 - 10:12

score 104 · Answer 3 · 2026-04-12 11:05:54

104

Views

functional calculus on C*-algebra and majoration of $||f(A+B)-f(A)||$

Published on 12 Apr 2026 - 11:05

score 45 · Answer 4 · 2026-04-12 15:46:19

45

Views

Trying to derive the path integral from first principles (step 1)

Published on 12 Apr 2026 - 15:46

score 107 · Answer 5 · 2026-04-12 04:17:11

107

Views

Notational confusion in derivation of Euler-Lagrange equations

Published on 12 Apr 2026 - 4:17

score 59 · Answer 6 · 2026-04-12 17:11:50

59

Views

Correspondence between divergent integrals and analythic functionals

Published on 12 Apr 2026 - 17:11

score 61 · Answer 7 · 2026-02-24 10:15:51

61

Views

Polar Form of a Matrix (functional calculus )

Published on 24 Feb 2026 - 10:15

score 210 · Answer 8 · 2026-04-12 00:09:19

210

Views

Finding the minimizer of the variational problem $J[y]= \int_{0}^{2} \left( 1-y'^2 \right)^2dx $ with $y(0)=0$ and $y(2)=0$.

Published on 12 Apr 2026 - 0:09

score 43 · Answer 9 · 2026-04-12 09:00:41

43

Views

Gelfand "Calculus of Variation" 1.7 question on definition and purpose of variational derivative

Published on 12 Apr 2026 - 9:00

score 113 · Answer 10 · 2026-04-12 13:46:48

113

Views

Spectrum of isometry not in circle

Published on 12 Apr 2026 - 13:46

score 119 · Answer 11 · 2026-04-12 12:45:48

119

Views

Why is functional calculus called functional calculus? What does functional mean in functional calculus?

Published on 12 Apr 2026 - 12:45

score 59 · Answer 12 · 2026-04-12 08:08:34

59

Views

Finding the minimizer of $I[f]=\int_1^2 (x^2 f'(x)^2+2f(x)^2)dx$

Published on 12 Apr 2026 - 8:08

score 117 · Answer 13 · 2026-02-24 10:19:02

117

Views

$U$ unitary: $\mathbb{T}\ne\sigma(U)$. Prove $\forall\varepsilon>0$ there exists a polynomial $p(z)$ such that $\|U^{-1}-p(U)\|<\varepsilon.$

Published on 24 Feb 2026 - 10:19

score 340 · Answer 14 · 2026-04-11 15:00:01

340

Views

Norm of the difference of two positive elements in a $C^\star$ algebra

Published on 11 Apr 2026 - 15:00

score 224 · Answer 15 · 2026-04-12 11:45:08

224

Views

Continuous functional calculus (Composition)

Published on 12 Apr 2026 - 11:45

List Question

Understanding the spectral measure of unbounded self-adjoint operator

Functional Calculus F(T)

functional calculus on C*-algebra and majoration of $||f(A+B)-f(A)||$

Trying to derive the path integral from first principles (step 1)

Notational confusion in derivation of Euler-Lagrange equations

Correspondence between divergent integrals and analythic functionals

Polar Form of a Matrix (functional calculus )

Finding the minimizer of the variational problem $J[y]= \int_{0}^{2} \left( 1-y'^2 \right)^2dx $ with $y(0)=0$ and $y(2)=0$.

Gelfand "Calculus of Variation" 1.7 question on definition and purpose of variational derivative

Spectrum of isometry not in circle

Why is functional calculus called functional calculus? What does functional mean in functional calculus?

Finding the minimizer of $I[f]=\int_1^2 (x^2 f'(x)^2+2f(x)^2)dx$

$U$ unitary: $\mathbb{T}\ne\sigma(U)$. Prove $\forall\varepsilon>0$ there exists a polynomial $p(z)$ such that $\|U^{-1}-p(U)\|<\varepsilon.$

Norm of the difference of two positive elements in a $C^\star$ algebra

Continuous functional calculus (Composition)

Trending Questions

Popular # Hahtags

Popular Questions