List questions from functional-calculus

Published on 24 Feb 2026 - 7:04

221

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generalization of cubic spline and thin plate spline

Published on 24 Feb 2026 - 7:04

168

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Exponential of commuting operators with holomorphic calculus

Published on 11 Apr 2026 - 16:09

246

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Confusion about definition (in ΨDO theory) of Sobolev spaces on open sets in Euclidean space

Published on 09 Apr 2026 - 3:54

82

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How can we find the maximum?

Published on 12 Apr 2026 - 13:32

50

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Maximize functional with dot product in it

Published on 11 Apr 2026 - 15:02

67

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Is there a name for this matrix transformation?

Published on 09 Apr 2026 - 13:01

65

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Proof that $\frac{2x}{1+x}\leq f(x) \leq \frac{1+x}{2}$ for standard operator monotone function $f$

Published on 24 Feb 2026 - 7:07

239

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The Tomita-Takesaki theory for von Neumann algebras with a separating and cyclic vector by Alfons van Daele.

Published on 24 Feb 2026 - 7:07

33

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Understanding $z(a,b) \in[0,1]$ where $a=|x-y|$, $b=|y|$ and $x,y\in[-2,2]$

Published on 11 Apr 2026 - 18:45

98

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An inequality of positive maps of roots of positive operators on C*-algebras

Published on 10 Apr 2026 - 13:37

427

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Functional Derivative with Discrete Variable

Published on 10 Apr 2026 - 16:34

53

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How to prove $f(A^) =f(A)^$

Published on 08 Apr 2026 - 20:28

70

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Calculate the Euler-Lagrange for a functional with two nested integrals?

Published on 12 Apr 2026 - 3:01

159

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Derivative of a Functional. The Chain Rule? Whats going on here.

Published on 10 Apr 2026 - 17:30

List Question

Strong continuity of the Borel functional calculus

generalization of cubic spline and thin plate spline

Exponential of commuting operators with holomorphic calculus

Confusion about definition (in ΨDO theory) of Sobolev spaces on open sets in Euclidean space

How can we find the maximum?

Maximize functional with dot product in it

Is there a name for this matrix transformation?

Proof that $\frac{2x}{1+x}\leq f(x) \leq \frac{1+x}{2}$ for standard operator monotone function $f$

The Tomita-Takesaki theory for von Neumann algebras with a separating and cyclic vector by Alfons van Daele.

Understanding $z(a,b) \in[0,1]$ where $a=|x-y|$, $b=|y|$ and $x,y\in[-2,2]$

An inequality of positive maps of roots of positive operators on C*-algebras

Functional Derivative with Discrete Variable

How to prove $f(A^) =f(A)^$

Calculate the Euler-Lagrange for a functional with two nested integrals?

Derivative of a Functional. The Chain Rule? Whats going on here.

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