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Aleks Kissinger's user avatar
Aleks Kissinger's user avatar
Aleks Kissinger's user avatar
Aleks Kissinger
  • Member for 14 years, 6 months
  • Last seen more than 4 years ago
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17 Questions

Score Activity Newest Views
28 votes
4 answers
4k views

When are modules and representations not the same thing?

19 votes
1 answer
3k views

Why did people originally like Frobenius algebras?

13 votes
1 answer
1k views

Co-ends as a trace operation on profunctors

11 votes
5 answers
1k views

Where are some interesting places where the axiom of choice crops up in category theory?

9 votes
1 answer
493 views

Re-seating a monad

7 votes
1 answer
450 views

In what cases does a Yoneda-like embedding preserve monoidal structure?

6 votes
4 answers
1k views

Are there natural examples of non-symmetric Frobenius algebras?

6 votes
1 answer
2k views

Categories whose objects are CW-complexes

6 votes
5 answers
703 views

Computing colimits in a Lawvere theory

6 votes
1 answer
729 views

Profunctors corresponding to "partial functors"

5 votes
1 answer
430 views

Where does the "easy" definition of a weak n-category fail?

3 votes
0 answers
210 views

An elegant formulation for typed sets

2 votes
1 answer
937 views

What is the comultiplication of a matrix frobenius algebra?

1 vote
2 answers
641 views

Is it possible to define a graph that has two vertices that are infinitely far apart?

1 vote
1 answer
532 views

Algebras with a degenerate trace form

1 vote
2 answers
358 views

Rig of fractions, including zero denominators

0 votes
0 answers
186 views

Are sieves in locally small categories still sets?