Question

Proving that $\forall X\in U\setminus\{0\}, f(X)\neq X$ if $1$ is not an eigenvalue of $Df(0)$

score 14 · Answer 1 · 2026-03-01 17:08:04

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Proving that $\forall X\in U\setminus\{0\}, f(X)\neq X$ if $1$ is not an eigenvalue of $Df(0)$

Published on 01 Mar 2026 - 17:08

score 14 · Answer 2 · 2022-02-04 07:47:18

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Empty intersection

Published on 04 Feb 2022 - 7:47

score 14 · Answer 3 · 2022-01-24 11:40:40

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Given sequence of real numbers with exactly 2 extreme points. Check if a set is compact-totally bounded.

Published on 24 Jan 2022 - 11:40

score 14 · Answer 4 · 2022-01-13 15:10:59

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Do I need the following measure-theory properties to prove one of the conditions for $d_p$ distance to be a metric on $L^p(X)$?

Published on 13 Jan 2022 - 15:10

score 14 · Answer 5 · 2026-02-24 05:09:06

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Proximity to an arbitrary family and compact space

Published on 24 Feb 2026 - 5:09

score 14 · Answer 6 · 2021-12-08 21:08:49

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Preimage of 1 orthogonal to 1 for skew-symmetric matrix

Published on 08 Dec 2021 - 21:08

score 14 · Answer 7 · 2021-12-02 10:41:55

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Sparse least squares where the coeefficient matrix is not stored explicitly

Published on 02 Dec 2021 - 10:41

score 14 · Answer 8 · 2021-11-30 18:05:01

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Difference of two functions with a flex at the same point could give rise to a peak?

Published on 30 Nov 2021 - 18:05

score 14 · Answer 9 · 2021-11-29 20:28:01

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Positional separation of additive inverses in specifically ordered sets

Published on 29 Nov 2021 - 20:28

score 14 · Answer 10 · 2021-11-16 15:06:44

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A question about finding proper linear subrepresentations of a linearized set.

Published on 16 Nov 2021 - 15:06

score 14 · Answer 11 · 2021-11-14 12:34:28

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Initial Points s.t. "Infinite Intersection" Property

Published on 14 Nov 2021 - 12:34

score 14 · Answer 12 · 2021-11-11 21:29:36

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functional equation with exact solution for a power function

Published on 11 Nov 2021 - 21:29

score 14 · Answer 13 · 2021-11-10 13:51:36

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Show that the cardinal of a finite field is a power of his characteristic

Published on 10 Nov 2021 - 13:51

score 14 · Answer 14 · 2026-03-01 18:49:23

If we move two straight lines $ f(x, y) = C $ and $ g(x, y) = D $ so that they intersect at (0, 0), they become $ f(x, y) = 0 $ and $g(x, y) = 0 $

score 14 · Answer 15 · 2026-03-01 18:49:24

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When a function admit partial derivatives

Published on 01 Mar 2026 - 18:49

List Question

Proving that $\forall X\in U\setminus\{0\}, f(X)\neq X$ if $1$ is not an eigenvalue of $Df(0)$

Empty intersection

Given sequence of real numbers with exactly 2 extreme points. Check if a set is compact-totally bounded.

Do I need the following measure-theory properties to prove one of the conditions for $d_p$ distance to be a metric on $L^p(X)$?

Proximity to an arbitrary family and compact space

Preimage of 1 orthogonal to 1 for skew-symmetric matrix

Sparse least squares where the coeefficient matrix is not stored explicitly

Difference of two functions with a flex at the same point could give rise to a peak?

Positional separation of additive inverses in specifically ordered sets

A question about finding proper linear subrepresentations of a linearized set.

Initial Points s.t. "Infinite Intersection" Property

functional equation with exact solution for a power function

Show that the cardinal of a finite field is a power of his characteristic

If we move two straight lines $ f(x, y) = C $ and $ g(x, y) = D $ so that they intersect at (0, 0), they become $ f(x, y) = 0 $ and $g(x, y) = 0 $

When a function admit partial derivatives

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