Aleks Kissinger's user avatar
Aleks Kissinger's user avatar
Aleks Kissinger's user avatar
Aleks Kissinger
  • Member for 14 years, 5 months
  • Last seen more than 4 years ago
32 votes

"Philosophical" meaning of the Yoneda Lemma

16 votes

Is there a standard notation for binary relations in category theory?

11 votes

What are examples of good toy models in mathematics?

8 votes

Resources for graphical languages / Penrose notation / Feynman diagrams / birdtracks?

6 votes

Understanding Penrose diagrammatical notation

4 votes

What's a groupoid? What's a good example of a groupoid?

3 votes

Category theory sans (much) motivation?

3 votes

Can the objects of every concrete category themselves be realized as small categories?

3 votes
Accepted

When do PROP-morphisms induce adjunctions?

3 votes

Creating high quality figures of surfaces

3 votes

conditions for natural transformations to exist?

0 votes

When are all split monomorphisms complemented?