Dan Piponi

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Name Dan Piponi
Member for 3 years
Seen 1 hour ago
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Location Oakland, CA
Age 46
Did a PhD in theta functions on Riemann surfaces many years ago. Up until recently I wrote software for movie effects, now I work for Google, and in my spare time play with applications of category theory to functional programming.
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Numerical integration over 2D disk

dec 16 10 at 3:11 Igor Rivin 31.1k●3●37●71

 

91

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Cool problems to impress students with group theory (2)
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Papers that debunk common myths in the history of mathematics
33
Which mathematicians have influenced you the most?
32
Mathematics as a hobby
30
What’s your favorite equation, formula, identity or inequality?
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What’s a groupoid? What’s a good example of a groupoid?
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What should be offered in undergraduate mathematics that’s currently not (or isn’t usually)?
26
What is the exterior derivative intuitively?
22
What are the most attractive Turing undecidable problems in mathematics?
21
Why are modular forms interesting?
20
A Book You Would Like to Write
19
What are the most overloaded words in mathematics?
16
Theorems for nothing (and the proofs for free)
15
Different ways of thinking about the derivative
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In what ways is physical intuition about mathematical objects non-rigorous?
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Does every ODE comes from something in physics?
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cut elimination
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Fields of mathematics that were dormant for a long time until someone revitalized them
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Colloquial catchy statements encoding serious mathematics
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Jokes in the sense of Littlewood: examples?
10
Predicting if something is a code
10
Examples of mathematics motivated by technological considerations
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mathematics in nature
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