Saúl RM

Member for 3 years, 10 months
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real-analysis

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Answers

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58

How many square roots can a non-identity element in a group have?

Dec 13, 2021

34

Can an odd number of marbles jump to infinity?

May 2, 2022

33

What is the smallest set of real continuous functions generating all rational numbers by iteration?

Jan 1, 2022

22

The $9$th tetration of $-\sqrt2$

Nov 22, 2022

21

A property of even continuous functions on the sphere

Dec 4, 2022

Questions

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42

How decreasing can a bijection $f:\mathbb{N}\to\mathbb{N}$ be?

Jun 13

40

Can the nth projective space be covered by n charts?

Nov 26, 2021

25

Is there an open subset $A$ of $[0,1]^2$ with measure $>\frac{1}{100}$ that satisfies this property?

May 13, 2022

23

Can we make distances in a finite subset of a manifold whatever we want?

Mar 10, 2022

12

Are there $n$ points dividing a compact Riemannian manifold into equal regions?

Dec 31, 2022

Tags

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real-analysis

179

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27

posts

co.combinatorics

133

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13

posts

mg.metric-geometry

128

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29

posts

gn.general-topology

123

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24

posts

measure-theory

96

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23

posts

Reputation

+20

How decreasing can a bijection $f:\mathbb{N}\to\mathbb{N}$ be?

+10

Can a smooth manifold be realised as the image of a smooth function?

+10

Shrinking and expanding pairs in bijections $\varphi:\mathbb{N}\to\mathbb{N}$

+10

Uncountable families of measurable sets with pairwise positive intersections

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