Mikhail Borovoi

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Name Mikhail Borovoi
Member for 3 years
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Location Tel Aviv, Israel
Age
26

Questions
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3

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776
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Is -1 a sum of 2 squares in a certain field K?

jun 22 10 at 14:21 Pete L. Clark 39.5k●3●102●225

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9
votes
3
answers
953
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Connected components of the orthogonal group O(2n) in characteristic 2.

apr 14 10 at 19:29 mark 353●1●7

1

2
9
votes
3
answers
623
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Diagonalizable subgroups of a connected linear algebraic group

apr 11 11 at 21:52 George McNinch 1,930●1●5●11

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9
votes
2
answers
333
views

Automorphisms of $SL_n$ as a variety

jan 15 at 19:45 Jason Starr 1,835●8●14

 

3

3
6
votes
2
answers
575
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Mostow’s theorem on algebraic groups

sep 19 at 23:15 Jim Humphreys 25.9k●37●82

 

1 2 3 next

 

27

Answers
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18
Isomorphic general linear groups implies isomorphic fields?
13
Cayley Transform for all reductive groups a.k.a an algebraic logarithm
12
Existence of zero cycles of degree one vs existence of rational points
9
In a compact lie group, can two closed connected subgroups generate a non-closed subgroup?
5
Proper compact connected subgroup of $Spin(n)$
5
Deligne’s letter to Piatetskii-Shapiro from 1973
5
different Shimura data with common underlying group?
5
Are units of rings of functions on algebraic varieties finitely generated (mod. constants)?
5
Splitting of a division algebra with an involution of second kind
5
What are the symmetries of a principal homogeneous bundle?
4
The algebraic fundamental group of a reductive algebraic group
4
Principal bundles over groups
3
Diophantine equation with no integer solutions, but with solutions modulo every integer
3
Transitive action on the sphere
3
Non-trivial representation of second-smallest dimension
3
Exact sequence of Weyl groups
2
Galois cohomology of linear groups over local fields
2
Quotient space of $\mathbb{C}^5$ under the action of $SL(2,\mathbb{C})$
2
Reference for Pic(G) and central extensions.
2
Elementary reference for algebraic groups
2
density in SU(2,1)
2
Existence of a bounded finitely generated torsion-free resolution
2
A kind of orthogonal subtorus
1
on z-extensions
1
gluing gerbes over a spectrum of a field
1
Structure of abelian connected complex linear algebraic groups?
1
Conjugation of homogeneous spaces

 

226

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223
3

 

43

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