User David Corfield - MathOverflow Meta

David Corfield

Member for 15 years, 2 months
Last seen more than a month ago

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Oct 16

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Teacher

Apr 7, 2021

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Question about $i$ versus $-i$

Apr 7, 2021

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39

Direct proof of irrationality?

36

The set-theoretic multiverse as a (bi)category

25

whence commutative diagrams?

25

The concept of duality

22

What are hypergroups and hyperrings good for?