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A_P
  • Member for 8 years, 3 months
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9 votes
2 answers
940 views

Is every $1$-dimensional vector space a field?

9 votes
1 answer
153 views

Natural transformations as categorical homotopies

8 votes
1 answer
1k views

What is a composition in category theory?

4 votes
1 answer
408 views

Motivation for defining a tangent vector as an equivalence class of curves

3 votes
0 answers
104 views

A proof that the number of 𝑚-dimensional subspaces of 𝑉 is same as number of (𝑛−𝑚)-dimensional subspaces.

3 votes
1 answer
137 views

Dual basis map invariant under orthogonal transformation?

2 votes
1 answer
106 views

"Observation preserves order but not join" in Applied Category Theory book

2 votes
2 answers
168 views

Naturality vs canonicality of double dual

2 votes
2 answers
293 views

Are line integrals path-independent "up to homotopy" in a curl-free vector field?

2 votes
2 answers
152 views

Necessary and sufficient conditions for any two points on a manifold to share a coordinate chart?

1 vote
1 answer
541 views

2-form as curl vs flux

1 vote
1 answer
87 views

Domain of pushforward

1 vote
2 answers
421 views

Why is a + a = 2a in a group?

1 vote
1 answer
60 views

Why do we say that a one-parameter subgroup "is" a homomorphism?

1 vote
2 answers
161 views

Topological groups and coordinate charts

1 vote
1 answer
66 views

Making sense of a map, given a new domain and codomain

1 vote
0 answers
67 views

Finding a subalgebra given a quotient algebra

1 vote
1 answer
149 views

How to think about the tensor product symbol in the alternating tensor algebra

1 vote
1 answer
25 views

Meaning of continuity between vector spaces (as in a vector bundle)

0 votes
2 answers
69 views

What do we call a function when it's applied to a modified argument?