List questions from contraction-operator

Published on 23 Mar 2026 - 0:10

46

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On the invariance of ball $B(a,r)$.

Published on 21 Apr 2019 - 15:42

1.4k

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Is log-sum-exp a contraction

Published on 04 May 2019 - 10:10

38

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If $f_1,f_2,…$ are bounded continuous functions with $\sup_{B_n}|f_n|\to0$ and $T_n$ is a contraction on $C_b$, can we show $\sup_{B_n}|T_nf_n|\to0$?

Published on 25 May 2019 - 14:12

89

Views

Prove that $x = x^{3}+0.001$ has a root near 0

Published on 04 Jun 2019 - 17:43

81

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Piece-wise contraction and fixed-point theorem

Published on 25 Mar 2026 - 4:55

127

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Blackwell's Theorem

Published on 19 Jun 2019 - 2:12

37

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Conceptualizing Contraction over $C([a,b])$

Published on 23 Jun 2019 - 9:55

403

Views

Arzela-Ascoli theorem and the Banach contraction principle

Published on 23 Feb 2026 - 5:12

458

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Tensor contraction resulting index order

Published on 22 Jul 2019 - 11:01

50

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Constructing a contraction

Published on 30 Jul 2019 - 17:58

667

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Is the image of a contractible space under a contraction contractible?

Published on 01 Aug 2019 - 8:34

295

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Show the associated integral operator is a contraction mapping: $x + \int_{0}^{x}ty(t)dt$

Published on 18 Aug 2019 - 3:53

104

Views

Does the notion of a contraction operator depend on the norm which induces the metric?

Published on 22 Aug 2019 - 7:39

382

Views

Spectral radius of Jacobian and global convergence of function iterations

Published on 22 Aug 2019 - 12:00

List Question

Is the generator of a uniformly continuous contraction semigroup contractive?

On the invariance of ball $B(a,r)$.

Is log-sum-exp a contraction

If $f_1,f_2,…$ are bounded continuous functions with $\sup_{B_n}|f_n|\to0$ and $T_n$ is a contraction on $C_b$, can we show $\sup_{B_n}|T_nf_n|\to0$?

Prove that $x = x^{3}+0.001$ has a root near 0

Piece-wise contraction and fixed-point theorem

Blackwell's Theorem

Conceptualizing Contraction over $C([a,b])$

Arzela-Ascoli theorem and the Banach contraction principle

Tensor contraction resulting index order

Constructing a contraction

Is the image of a contractible space under a contraction contractible?

Show the associated integral operator is a contraction mapping: $x + \int_{0}^{x}ty(t)dt$

Does the notion of a contraction operator depend on the norm which induces the metric?

Spectral radius of Jacobian and global convergence of function iterations

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