List questions from connectedness

Published on 31 Mar 2014 - 11:23

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Cofinite topology on an infinite set $X$ is connected?

Published on 01 Apr 2014 - 12:14

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Constructing a Set with Connected Interior

Published on 02 Apr 2014 - 0:28

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Suppose $Y\subset X$ and $X,Y$ are connected and $A,B$ form separation for $X-Y$ then, prove that $Y\cup A$ and $Y\cup B$ are connected

Published on 02 Apr 2014 - 11:34

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Closed and Connected Subset of a Metric Space

Published on 03 Apr 2014 - 16:08

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question about connected sets

Published on 05 Apr 2014 - 13:13

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Prove Simply Connected

Published on 26 Mar 2026 - 21:13

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Connected graph definition

Published on 05 Apr 2014 - 21:48

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Is $\mathbb{Q}^2$ connected?

Published on 10 Apr 2014 - 7:22

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How is $\mathbb R^2\setminus \mathbb Q^2$ path connected?

Published on 10 Apr 2014 - 10:30

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Demonstrating that the Mandelbrot Set is connected

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How to show that $\mathbb{Q}_p^*$ is totally disconnected?

Published on 11 Apr 2014 - 7:53

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Can cuts of size 2 be detected in linear time in an undirected, unweighted graph?

Published on 28 Mar 2026 - 15:36

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If a nonempty set of real numbers is open and closed, is it $\mathbb{R}$? Why/Why not?

Published on 13 Apr 2014 - 14:47

99

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Is the category of these particularly nice spaces cartesian closed?

Published on 14 Apr 2014 - 0:27

List Question

Possibility of Union of two connected sets being connected with empty Intersection

Cofinite topology on an infinite set $X$ is connected?

Constructing a Set with Connected Interior

Suppose $Y\subset X$ and $X,Y$ are connected and $A,B$ form separation for $X-Y$ then, prove that $Y\cup A$ and $Y\cup B$ are connected

Closed and Connected Subset of a Metric Space

question about connected sets

Prove Simply Connected

Connected graph definition

Is $\mathbb{Q}^2$ connected?

How is $\mathbb R^2\setminus \mathbb Q^2$ path connected?

Demonstrating that the Mandelbrot Set is connected

How to show that $\mathbb{Q}_p^*$ is totally disconnected?

Can cuts of size 2 be detected in linear time in an undirected, unweighted graph?

If a nonempty set of real numbers is open and closed, is it $\mathbb{R}$? Why/Why not?

Is the category of these particularly nice spaces cartesian closed?

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