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Is $\mathbb{R}^3 \setminus \mathbb{Q}^3$ simply connected?

Aug 29, 2015

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How do pure mathematicians assess whether their research ambitions can be realistically achieved?

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Examples where Kolmogorov's zero-one law gives probability 0 or 1 but hard to determine which?

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Shifting an irrational binary sequence

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How to understand a solenoid?

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Is $\mathbb{R}^3 \setminus \mathbb{Q}^3$ simply connected?

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Non-locally connected polynomial Julia sets

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