Kevin Byrne will give a short presentation on Wednesday, October 26, on Alan Turing and Turing machines. Here is a link to the official page of the Alan Turing Year.
A kind of library
Andrés E. Caicedo
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Mathoverflow- Convergence of $\sum(n^3\sin^2n)^{-1}$
- Answer by Andrés E. Caicedo for Well known theorems that have not been proved
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- On the division paradox
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- Answer by Andrés E. Caicedo for What is the cardinality of $A \times \mathbb N$ if $\left \lvert A \right \rvert \geq \aleph_0\ $?
- Answer by Andrés E. Caicedo for Any partition of an at most countable set has a set of representatives.
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- Does $|X|^m\cdot n^{|X|}\le (n+m)^{|X|}$ hold without choice?
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A kind of library 