Dmitry Vaintrob's user avatar
Dmitry Vaintrob's user avatar
Dmitry Vaintrob's user avatar
Dmitry Vaintrob
  • Member for 13 years, 9 months
  • Last seen more than 1 year ago
  • Cambridge, MA
22 votes

Why is the Fourier transform so ubiquitous?

21 votes

Does the category of (algebraically closed) fields of characteristic $p$ change when $p$ changes?

20 votes

Algebraic machinery for algebraic geometry

13 votes

What is modern algebraic topology(homotopy theory) about?

13 votes

Situations where “naturally occurring” mathematical objects behave very differently from “typical” ones

12 votes
Accepted

Can we use formal groups to recover Lie-theoretic representation theory in characteristic p?

12 votes

When forgetting structure doesn't matter

12 votes

Is forming the Albanese variety a monad?

11 votes
Accepted

Rational Isogenies of Prime Degree

8 votes

Number of points of algebraic curve

8 votes
Accepted

$ \mathbb{R}P^n $ bundles over the circle

6 votes

Analytic continuation of the double sum $\sum_{n,m\ge0}x^ny^mt^{nm}$

6 votes

Which is the correct universal enveloping algebra in positive characteristic?

5 votes
Accepted

Tangent space of a finite flat group scheme

5 votes

Galois twist of a variety

5 votes

Free augmented algebras

5 votes
Accepted

Dimension of $\ell$-adic Eilenberg-Maclane space

5 votes

What kind of geometric object is the Pauli spin matrix vector $\vec{\sigma} = (\sigma_1, \sigma_2, \sigma_3)$?

5 votes
Accepted

Description of the units of the group ring Fp[Fp] ?

4 votes
Accepted

Is there a nonzero sheaf with all cohomologies vanish?

4 votes
Accepted

Question about local description of the branch locus

4 votes

On a theorem of Kazhdan

4 votes
Accepted

Derived category of singular varieties

4 votes
Accepted

Formal completion of an elliptic curve along the $0$ sectioin and the formal expansion of functions

4 votes

About Lie group $G$ has this escape property?

4 votes

Super mixed Hodge structures?

3 votes
Accepted

Perfect DG modules

3 votes

Nowhere vanishing section implies reduction of structure group

3 votes

Cotangent complex of certain dg-scheme

2 votes

How much of a variety can be reconstructed from codimension-zero data?