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S. Carnahan's user avatar
S. Carnahan's user avatar
S. Carnahan's user avatar
S. Carnahan
Moderator
  • Member for 15 years, 2 months
  • Last seen this week
13 votes

Direct construction of the integers

13 votes
Accepted

Does derived algebraic geometry allow us to take quotients with reckless abandon?

12 votes
Accepted

There is no lattice in PSL(2,R) which contains PSL(2,Z) properly?

12 votes
Accepted

Infinity-categories vs Kan complexes

12 votes

Fields of mathematics that were dormant for a long time until someone revitalized them

12 votes
Accepted

Which journals publish 1-page papers

12 votes

Fundamental Examples

12 votes
Accepted

$C_4\times C_2 : C_2$: what does this mean?

12 votes

How many isolated roots can a polynomial in $z$ and $\overline{z}$ have?

12 votes

what is $\mathrm{Bun}(G)$?

11 votes

Factors of p-1 when p is prime.

11 votes

Is there a nice proof of the fact that there are (p-1)/24 supersingular elliptic curves in characteristic p?

11 votes

(Co)homology of the Eilenberg-MacLane spaces K(G,n)

11 votes

What is the best way to peel fruit?

11 votes

What are some good group theory references?

11 votes

Estimate for the order of the outer automorphism group of a finite simple group

11 votes

What is it called if a vector space doesn't have an additive inverse?

11 votes

What are interesting families of subsets of a given set?

11 votes
Accepted

Spectrum and scheme of the commutative group-algebra of an abelian group.

11 votes

An algebra of "integrals"

11 votes
Accepted

Character of parity-twisted supersymmetric VOA module -- question inspired by the Stolz-Teichner program

11 votes
Accepted

Covering of a group by seven proper subgroups: Counterexample

11 votes
Accepted

Lie group operation and tangent vectors

11 votes

Rigidity of the category of schemes

11 votes
Accepted

Modular Curves as Moduli Spaces of Elliptic Curves

11 votes

Why is the definition of l-adic sheaves so complicated?

10 votes

Can nonabelian groups be detected "locally"?

10 votes
Accepted

On which space does $GL_n(F_p[X])$ act nicely?

10 votes
Accepted

Codes, lattices, vertex operator algebras

10 votes

Is the Characteristic of a Field Detectable from the Topology of a Topological Vector Space?

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