List questions from contraction-operator

Published on 05 Sep 2019 - 9:25

618

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Question about the proof of the Picard–Lindelöf theorem

Published on 06 Sep 2019 - 16:06

31

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

Published on 20 Sep 2019 - 7:33

153

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

Published on 23 Sep 2019 - 17:07

56

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I had a question on my Functional Analysis exam

Published on 27 Sep 2019 - 11:01

138

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Self - adjoint contraction operators on Hilbert spaces

Published on 30 Oct 2019 - 11:48

89

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

Published on 10 Nov 2019 - 21:24

1.2k

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

Published on 13 Nov 2019 - 9:14

87

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

Published on 23 Mar 2026 - 0:36

251

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

Published on 09 Jan 2020 - 22:25

587

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Spectral radius of a matrix multiplied by a contraction matrix

Published on 17 Jan 2020 - 0:43

119

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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 21 Jan 2020 - 18:56

65

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Intersection of Powers of a Contraction Map is a Single Point

Published on 30 Jan 2020 - 5:42

65

Views

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

Published on 03 Feb 2020 - 23:05

201

Views

Lower bound of a constrained 3-variables expression

Published on 09 Feb 2020 - 21:53

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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