List questions from contraction-operator

Published on 12 Apr 2026 - 17:47

621

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Question about the proof of the Picard–Lindelöf theorem

Published on 12 Apr 2026 - 23:52

34

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Give conditions for a map defined on a domaine $D$ is a contraction mapping

Published on 16 Apr 2026 - 11:15

156

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existence of a contraction of sin(x) on $[-\frac{\pi}{2},\frac{\pi}{2}]$

Published on 14 Apr 2026 - 15:14

59

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I had a question on my Functional Analysis exam

Published on 14 Apr 2026 - 3:36

140

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Self - adjoint contraction operators on Hilbert spaces

Published on 19 Apr 2026 - 4:29

90

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Showing that g is a contraction in the ∞-norm, by using the p-norm

Published on 07 Apr 2026 - 23:40

1.2k

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Is $sin(x)$ a contraction on $[0,1]$?

Published on 06 Apr 2026 - 1:34

91

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How to prove $\mathcal F:\mathbb R^n \to \mathbb R^n$ is a contraction?

Published on 14 Apr 2026 - 21:00

254

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On the convexity of sets whose projection functions are contraction maps.

Published on 05 May 2026 - 9:52

588

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Spectral radius of a matrix multiplied by a contraction matrix

Published on 25 Mar 2026 - 11:13

120

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Fixed point of $T(f) = \lambda \int_0^2 y^2 f(y)\,dy + 3 \lambda f(x/4) + x$ for $0 \leq x \leq 2?$

Published on 25 Mar 2026 - 11:16

66

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Intersection of Powers of a Contraction Map is a Single Point

Published on 25 Mar 2026 - 14:23

67

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What does $1_{\mathbb{R}}$ mean?

Published on 06 Apr 2026 - 5:39

202

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Lower bound of a constrained 3-variables expression

Published on 25 Mar 2026 - 12:46

List Question

Prove that $f(x)=x+1/x$ is a contraction but not a strong one on $[1, \infty]$.

Question about the proof of the Picard–Lindelöf theorem

Give conditions for a map defined on a domaine $D$ is a contraction mapping

existence of a contraction of sin(x) on $[-\frac{\pi}{2},\frac{\pi}{2}]$

I had a question on my Functional Analysis exam

Self - adjoint contraction operators on Hilbert spaces

Showing that g is a contraction in the ∞-norm, by using the p-norm

Is $sin(x)$ a contraction on $[0,1]$?

How to prove $\mathcal F:\mathbb R^n \to \mathbb R^n$ is a contraction?

On the convexity of sets whose projection functions are contraction maps.

Spectral radius of a matrix multiplied by a contraction matrix

Fixed point of $T(f) = \lambda \int_0^2 y^2 f(y)\,dy + 3 \lambda f(x/4) + x$ for $0 \leq x \leq 2?$

Intersection of Powers of a Contraction Map is a Single Point

What does $1_{\mathbb{R}}$ mean?

Lower bound of a constrained 3-variables expression

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