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Mathematics
Alexander Chervov's user avatar
Alexander Chervov's user avatar
Alexander Chervov's user avatar
Alexander Chervov
  • Member for 11 years, 5 months
  • Last seen more than a month ago
  • Moscow, Russia
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About

http://ru.linkedin.com/pub/alexander-chervov/57/447/a93
Started as A.A. Kirillov's student in rerpresentation theory in Moscow State University. Got PhD in 1999. Worked in ITEP Moscow for 10 years somewhere in between representation theory, integrable systems and algebraic geometry, in particular geometric Lanlgands and its connection to Hitchin-Gaudin integrable systems.

Currently in industry: quantitative finance, previously in wireless telecommunication doing applied math.: information theory, error-correcting codes, statistical estimation theory, numerical algorithms.

al. mysurname at gmail dot com

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All Questions Answers
Score Newest
question
7
What is the trellis diagram for a linear block code?
Jun 15, 2012
question
5
$\det(A \otimes B - B \otimes A) = 0$ why? Why $rk(M) = n^2-n$ ? Why x and -x in Spec(M) ?
May 17, 2012
question
4
For what $(n,k)$ there exists a polynomial $p(x) \in F_2[x]$ s.t. $\deg(p)=k$ and $p$ divides $x^n-1$?
Jul 18, 2012
question
4
Voyager mission polynomials. Prove that for any $p(x)$ $|p(x)(1+x+x^3+x^4+x^6)|+|p(x)(1+x^3+x^4+x^5+x^6)|\geq10$, where $|\cdot|$ number of monoms
Aug 1, 2012
question
4
Irreps of $S_3=GL(2,2)$. Who is cuspidal?
Aug 15, 2012
question
3
"How many" matrices generate 2d Lie algebra (i.e. $[c_1,c_2]=k_1 c_1 +k_2 c_2$)?
May 18, 2012
question
3
$p^{n+1}+p^{n}-p$ = count 2x2 $F_p$-matrices satisfying Grassman algebra relations - true? (And the same for symmetric 3x3 Grassmans)
Sep 8, 2021
question
3
Number of $F_p$-points on standard quadric $\sum x_i^2=0$ (quadratic cone) is $p^{n-1}+ (-1)^{???}(p^{n/2} - p^{n/2-1}) $, n-even?
Sep 20, 2021
question
3
Does the centralizer dimension of a matrix depend only on the partition appearing in the Frobenius normal form (sublocks sizes)?
Oct 3, 2021
question
2
Find matrices $A,B$: exists $X,Y$: $AX-BY=[A,B]$ and $XA-YB=[A,B]$, here $X,Y$ are also matrices
Jun 9, 2012
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256
Mathematical games interesting to both you and a 5+-year-old child
165
The "Dzhanibekov effect" - an exercise in mechanics or fiction? Explain mathematically a video from a space station
123
Occurrences of (co)homology in other disciplines and/or nature
118
Noteworthy, but not so famous conjectures resolved recent years
52
Is there winning strategy in Tetris ? What if Young diagrams are falling?

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