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Martti Karvonen's user avatar
Martti Karvonen's user avatar
Martti Karvonen's user avatar
Martti Karvonen
  • Member for 5 years, 9 months
  • Last seen more than 1 year ago
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71
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13
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2
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29
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14
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Top posts
question
15
Surprising invertibility results
Nov 22, 2021
answer
11
Has the Isbell–Freyd criterion ever been used to check that a category is concretisable?
Mar 4, 2019
answer
11
Naturality up to (inner) automorphism?
Feb 15, 2020
answer
10
Why does the 2-category of groups have (some, strict) coinserters but not (strict) inserters?
May 19, 2023
answer
5
Checking for finite fibers in hash functions
Dec 4, 2020
answer
3
Must an isomorphism preserving graph transformation preserve the order of the automorphism group?
Jul 1, 2023
answer
2
Strict 2-Category with Lax Tensor?
May 17, 2021
Top network posts
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27
Is every subgroup of a normal subgroup normal?
8
Seating of $n$ people with tickets into $n+k$ chairs with 1st person taking a random seat
5
(Why) does unconditionally secure multi-party quantum computation imply quantum bit commitment?