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Igor Makhlin's user avatar
Igor Makhlin's user avatar
Igor Makhlin's user avatar
Igor Makhlin
  • Member for 13 years
  • Last seen this week
45 votes
8 answers
23k views

An "advanced beginner's" book on algebraic topology?

24 votes
5 answers
3k views

Why are Jucys-Murphy elements' eigenvalues whole numbers?

20 votes
4 answers
2k views

An $n!\times n!$ determinant

16 votes
1 answer
698 views

An introduction to Macdonald polynomials other (better?!) than SFHP

15 votes
2 answers
762 views

Gelfand-Tsetlin algebras and "Jucys-Murphy elements" for $\mathfrak{gl}_n$

14 votes
5 answers
881 views

Birkhoff's representation theorem vs matroid-geometric lattice correspondence

11 votes
0 answers
432 views

Connection between Gelfand-Tsetlin basis and SSYT basis in Schur module

10 votes
0 answers
573 views

How general are Gröbner degenerations?

9 votes
1 answer
986 views

Closures of torus orbits in flag varieties

9 votes
0 answers
677 views

Software for explicit computations in representations of classical Lie algebras

9 votes
0 answers
204 views

Standard reference/name for "initial ideals $\Leftrightarrow$ associated graded rings"

9 votes
0 answers
445 views

The number of rows in a tableau generated by the RSK algorithm.

7 votes
6 answers
2k views

Irreps which aren't highest-weight modules.

7 votes
1 answer
1k views

Looking for a "scientific" application of a recreational puzzle.

7 votes
0 answers
188 views

Reference for an "elementary" combinatorial fact

7 votes
0 answers
449 views

Reference for the multiprojective Nullstellensatz?

7 votes
0 answers
366 views

Why are fundamental weights denoted by omega?

6 votes
0 answers
188 views

Natural bijection between join- and meet-irreducibles in modular lattices?

6 votes
2 answers
291 views

"Minimal" connected matroids

6 votes
0 answers
256 views

Branching rules for type B/C/D Hall-Littlewood polynomials

6 votes
2 answers
311 views

Irreducibility of Gelfand-Serganova strata

6 votes
2 answers
408 views

Module in category O not generated by a finite set of HWVs.

6 votes
1 answer
813 views

Interesting behaviour of Brion's formula under a degenerate change of variables

6 votes
2 answers
981 views

Decomposing polyhedral cones into "direct sums" and a polynomial

6 votes
0 answers
181 views

Looking for the correct version of a wrong statement from Barvinok's book on convex polyhedra

5 votes
1 answer
252 views

Infinitely many initial ideals for non-Artinian monomial orders?

5 votes
0 answers
241 views

Authorship and the exact wording of a quote about mathematics

5 votes
0 answers
136 views

Face structures of chain polytopes

4 votes
0 answers
158 views

Reference for the notion of polyhedra "degenerations"

4 votes
1 answer
206 views

Representing a graph's vertices as linear combinations of paths