Aleks Kissinger
  • Member for 12 years, 3 months
  • Last seen more than 2 years ago
4 answers
25 votes
3k views
20 bookmarks
When are modules and representations not the same thing?
1 answers
16 votes
3k views
7 bookmarks
Why did people originally like Frobenius algebras?
1 answers
12 votes
1k views
4 bookmarks
Co-ends as a trace operation on profunctors
5 answers
11 votes
1k views
9 bookmarks
Where are some interesting places where the axiom of choice crops up in category theory?
1 answers
9 votes
447 views
1 bookmarks
Re-seating a monad
1 answers
7 votes
396 views
2 bookmarks
In what cases does a Yoneda-like embedding preserve monoidal structure?
5 answers
6 votes
646 views
4 bookmarks
Computing colimits in a Lawvere theory
1 answers
6 votes
621 views
3 bookmarks
Profunctors corresponding to "partial functors"
1 answers
5 votes
1k views
1 bookmarks
Categories whose objects are CW-complexes
1 answers
5 votes
406 views
Where does the "easy" definition of a weak n-category fail?
4 answers
4 votes
1k views
2 bookmarks
Are there natural examples of non-symmetric Frobenius algebras?
0 answers
3 votes
207 views
1 bookmarks
An elegant formulation for typed sets
1 answers
1 votes
493 views
3 bookmarks
Algebras with a degenerate trace form
2 answers
1 votes
327 views
Rig of fractions, including zero denominators
1 answers
1 votes
795 views
3 bookmarks
What is the comultiplication of a matrix frobenius algebra?
2 answers
0 votes
550 views
Is it possible to define a graph that has two vertices that are infinitely far apart?
0 answers
0 votes
173 views
Are sieves in locally small categories still sets?