user avatar
user avatar
user avatar
john w.
  • Member for 10 years, 3 months
  • Last seen this week
18 answers
111 votes
33k views
108 bookmarks
Mathematical equivalent of Feynman's Lectures on Physics?
15 answers
108 votes
31k views
28 bookmarks
Why rationalize the denominator?
2 answers
47 votes
10k views
59 bookmarks
Global sections of $\mathcal{O}(-1)$ and $\mathcal{O}(1)$, understanding structure sheaves and twisting.
4 answers
45 votes
3k views
20 bookmarks
Failure of isomorphisms on stalks to arise from an isomorphism of sheaves
3 answers
44 votes
5k views
50 bookmarks
Intuition for étale morphisms
18 answers
28 votes
19k views
19 bookmarks
Explaining Horizontal Shifting and Scaling
5 answers
25 votes
18k views
22 bookmarks
What kind of functions cannot be described by the Taylor series? Why is this?
3 answers
21 votes
2k views
23 bookmarks
How to imagine "tensoring with Serre's twisted sheaf"
1 answer
15 votes
4k views
4 bookmarks
Question about perfect pairings
2 answers
7 votes
1k views
11 bookmarks
Lagrange multipliers tangency
1 answer
2 votes
682 views
1 bookmarks
Domain of square root of a fraction with variables in the denominator and numerator
2 answers
2 votes
705 views
2 bookmarks
Geometric intuition behind curl of vector field
2 answers
0 votes
193 views
1 bookmarks
Why $\mathbb{Z}/3\mathbb{Z} \cong \mathbb{Z}_{3}$