Harry Gindi's user avatar
Harry Gindi's user avatar
Harry Gindi's user avatar
Harry Gindi
  • Member for 14 years, 5 months
  • Last seen more than 1 year ago
  • Edinburgh, UK
48 votes

Applications of the Chinese remainder theorem

45 votes
Accepted

Category theory and set theory: just a different language, or different foundation of mathematics?

36 votes

Favorite popular math book

36 votes

What notions are used but not clearly defined in modern mathematics?

30 votes

What makes a theorem *a* "nullstellensatz."

29 votes

When and how is it appropriate for an undergraduate to email a professor out of the blue?

29 votes

Examples of algebraic closures of finite index

28 votes

Good introductory references on algebraic stacks?

27 votes

Why not a Stacks project for Homotopy Theory?

26 votes
Accepted

What does an etale topos classify?

24 votes

Linear Algebra Texts?

23 votes

Why worry about the axiom of choice?

21 votes
Accepted

Noether's normalization lemma over a ring A

19 votes

Proofs that require fundamentally new ways of thinking

19 votes

Which mathematicians have influenced you the most?

19 votes

Why must nilpotent elements be allowed in modern algebraic geometry?

19 votes

Categorical construction of the category of schemes?

16 votes

Elementary / Interesting proofs of the Nullstellensatz

16 votes

What is the cotangent complex good for?

15 votes

Examples of great mathematical writing

15 votes
Accepted

Proof that the homotopy category of a stable $\infty$-category is triangulated

15 votes

Most memorable titles

15 votes

What are the τ-local rings for a subcanonical Grothendieck topology τ on the category of affine schemes of finite type over Spec(Z)? (specifically for τ=fppf)

14 votes

How to respond to "I was never much good at maths at school."

13 votes

Rigidity of the category of schemes

13 votes

Are equivalences of categories stable under filtered colimits?

13 votes

Why is it still common to not motivate results in publications?

13 votes
Accepted

Why isn't the localization $C[W^{-1}]$ (locally) small when $C$ is small and $W$ admits a calculus of (right) fractions?

13 votes
Accepted

Why is $\mathbb{S}^1$ a cogroup object in $\mathbf{Top.}$?

12 votes

Do homotopy groups "always" commute with filtered colimits?

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