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Dmitry Vaintrob

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Top Questions
47 votes

A three-line proof of global class field theory?

nt.number-theory homological-algebra class-field-theory galois-cohomology asked Sep 10, 2016 at 0:38
mathoverflow.net

34 votes

Does quantum mechanics ever really quantize classical mechanics?

mp.mathematical-physics quantization asked Dec 11, 2015 at 6:31
mathoverflow.net

30 votes

A modern interpretation of Quillen's computation of the K theory of finite fields

at.algebraic-topology kt.k-theory-homology algebraic-k-theory asked Aug 4, 2016 at 22:38
mathoverflow.net

19 votes

Defining a command for amsmath's align environment

environments amsmath align asked Apr 19, 2010 at 3:12
tex.stackexchange.com

17 votes

Homotopy theories of operads

model-categories operads infinity-categories asked Jul 17, 2018 at 4:45
mathoverflow.net

16 votes

GAGA for stacks

ag.algebraic-geometry complex-geometry stacks gaga asked Dec 17, 2018 at 20:20
mathoverflow.net

15 votes

What foreign carriers can I use under the open skies agreement?

travel asked Oct 27, 2016 at 22:14
academia.stackexchange.com

14 votes

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

ag.algebraic-geometry ct.category-theory homological-algebra asked Mar 24, 2013 at 14:40
mathoverflow.net

13 votes

What is the coefficient ring of algebraic K theory of the discrete $\mathbb{C}$?

at.algebraic-topology kt.k-theory-homology algebraic-k-theory motives asked May 13, 2014 at 7:46
mathoverflow.net

12 votes

Is there a physical reason that fields in QFT are globally defined?

fa.functional-analysis mp.mathematical-physics quantum-mechanics quantum-field-theory asked Jun 5, 2020 at 19:52
mathoverflow.net

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Top Answers
22
Why is the Fourier transform so ubiquitous?
mathoverflow.net

21
Does the category of (algebraically closed) fields of characteristic $p$ change when $p$ changes?
mathoverflow.net

20
Algebraic machinery for algebraic geometry
mathoverflow.net

13
Situations where “naturally occurring” mathematical objects behave very differently from “typical” ones
mathoverflow.net

12
What is modern algebraic topology(homotopy theory) about?
mathoverflow.net

12
Is forming the Albanese variety a monad?
mathoverflow.net

12
Can we use formal groups to recover Lie-theoretic representation theory in characteristic p?
mathoverflow.net

12
When forgetting structure doesn't matter
mathoverflow.net

11
Rational Isogenies of Prime Degree
mathoverflow.net

8
Number of points of algebraic curve
mathoverflow.net

8
$ \mathbb{R}P^n $ bundles over the circle
mathoverflow.net

6
Description of the units of the group ring Fp[Fp] ?
mathoverflow.net

6
Analytic continuation of the double sum $\sum_{n,m\ge0}x^ny^mt^{nm}$
mathoverflow.net

6
Which is the correct universal enveloping algebra in positive characteristic?
mathoverflow.net

5
Question about local description of the branch locus
mathoverflow.net

5
What kind of geometric object is the Pauli spin matrix vector $\vec{\sigma} = (\sigma_1, \sigma_2, \sigma_3)$?
mathoverflow.net

5
Galois twist of a variety
mathoverflow.net

5
Tangent space of a finite flat group scheme
mathoverflow.net

5
Dimension of $\ell$-adic Eilenberg-Maclane space
mathoverflow.net

5
Derived category of singular varieties
mathoverflow.net