Question

Will the upper bound $b=2$ work in a simplicial proof of Brouwer's Fixed Point Theorem, Hurewicz' and Wallman's "Dimension Theory"?

score 73 · Answer 1 · 2026-03-20 04:06:48

73

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Will the upper bound $b=2$ work in a simplicial proof of Brouwer's Fixed Point Theorem, Hurewicz' and Wallman's "Dimension Theory"?

Published on 20 Mar 2026 - 4:06

score 60 · Answer 2 · 2026-03-20 13:00:14

60

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Prove Ker$T=($Im$T^)^\bot$ and (Ker$T^$)$^\bot$ = Im$T$. Deduce $\dim$Im$T=\dim$Im$T^*$.

Published on 20 Mar 2026 - 13:00

score 132 · Answer 3 · 2026-03-26 01:17:27

132

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score 39 · Answer 4 · 2026-02-23 21:19:12

39

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score 62 · Answer 5 · 2026-03-20 12:52:28

62

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86

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score 68 · Answer 7 · 2026-03-20 05:19:06

68

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score 24 · Answer 8 · 2026-03-26 01:17:31

24

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score 101 · Answer 9 · 2026-03-26 01:16:42

101

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65

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33

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35

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score 42 · Answer 13 · 2026-03-20 06:49:05

42

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score 47 · Answer 14 · 2026-03-20 13:33:30

47

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score 77 · Answer 15 · 2026-03-19 18:55:20

77

Views

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Published on 19 Mar 2026 - 18:55

List Question

Will the upper bound $b=2$ work in a simplicial proof of Brouwer's Fixed Point Theorem, Hurewicz' and Wallman's "Dimension Theory"?

Prove Ker$T=($Im$T^)^\bot$ and (Ker$T^$)$^\bot$ = Im$T$. Deduce $\dim$Im$T=\dim$Im$T^*$.

Hausdorff Dimension of an Intersection

Link between Hausdorff measure of a set and Hausdorff measure of a sphere

Intuition behind the Sum Theorem in dimension theory

What is the "content" of a box?

Question about Minkowski dimension

Conditional Expectation of a mathematical function

Does there exist a function $f:\mathbb{R}\to\mathbb{R}$ where all points in the graph of f cannot be approximated by other points in $f$?

Question regarding the cohomological dimension of an open subset in a compact , connected, homogenous , metric ANR space .

Converting the volumetric flow rate, into 2D

Proof of the convergence part of Jarník's Theorem

Can we extend the box counting dimension to unbounded sets?

Local dimension of stationary measures for iterated function systems with an expanding map

How to prove $V$ is a linear space and find $\dim V$?

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