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Worldbuilding
Peter LeFanu Lumsdaine's user avatar
Peter LeFanu Lumsdaine's user avatar
Peter LeFanu Lumsdaine's user avatar
Peter LeFanu Lumsdaine
  • Member for 9 years, 8 months
  • Last seen this week
  • Stockholm, Sweden
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About

Mathematician, math.LO/math.CT, currently Associate Professor (Universitetslektor) at Stockholm University. Mainly working in categorical logic, especially homotopy type theory and higher categories.

Previously worked at Institute for Advanced Study, Princeton; Dalhousie University, Halifax, Nova Scotia; and Carnegie Mellon University, Pittsburgh.

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Top posts
21
Humanoid that has a low terminal velocity
May 14, 2018
16
How could a dragon-proof toy work?
Apr 22, 2020
14
What would make the internet go away?
Nov 5, 2019
7
What could restrain post-singularity societies from spreading across the Galaxy?
Dec 3, 2014
5
What would be the average civilian's first hints that a zombie apocalypse was near in a pre-mass internet world?
Jul 28, 2021
2
Could a tsunami separate two landmasses?
Dec 12, 2020
2
How can a society have a group of people who are sick (from radiation?) while others are kept healthy?
Jun 3
1
How would a solely written language work mechanically
Mar 20, 2019
1
Is there anything about photons and/or space-time that would allow the detection of an energy-based attack from a distance of ten light seconds?
Jun 12, 2020
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402
Pedagogy: How to cure students of the "law of universal linearity"?
289
How do you explain to a 5th grader why division by zero is meaningless?
200
How do I ask for an espresso if there's a good chance they don't know how to make it?
124
Is it unethical to take a photograph of my question sheets from a sit-down exam I've just finished if I am not allowed to take them home?
111
How to deal with a professor who grades assignments and exams incorrectly