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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, 10 months
  • Last seen more than a week ago
  • 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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73
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17
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43
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Posts %
40
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Top posts
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answer
40
Differentiate between the numbers from 1 to 5 with one single yes/no question
Oct 26, 2014
answer
34
A rhopalic sentence of at-least 5 words, beginning with as long word as possible
Jun 5, 2016
answer
33
The thief, liars, and the honest
Oct 29, 2023
answer
11
Professor Halfbrain and numbers with many zeros
Apr 12, 2016
answer
9
Growing anagrams - What is the longest possible list forming a sentence?
Jan 16, 2015
answer
9
Dominoes on a chessboard
Mar 22, 2015
answer
8
Disaster on Blue-Eyes Island
Aug 13, 2021
answer
7
Four dice puzzle: 2,2,4,5
Oct 10, 2015
answer
7
A rusty place to fly to
Apr 3, 2016
answer
4
Should the angels play their game?
Mar 10, 2015
Top network posts
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403
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