User Marc van Leeuwen

24 votes

Example for column rank $\neq$ row rank

answered May 17, 2014 at 19:52

16 votes

Accepted

Has Reifegerste's Theorem on RSK and Knuth relations received a slick proof by now?

answered Aug 29, 2013 at 11:22

16 votes

Geometric proof of Robinson-Schensted-Knuth correspondence?

answered Mar 2, 2012 at 12:40

14 votes

Explanation why $x,y,z$ are always variables

answered Nov 30, 2011 at 13:55

10 votes

quasi-minuscule representations

answered May 7, 2013 at 16:48

9 votes

computing the Weyl character formula

answered Sep 5, 2017 at 15:14

8 votes

Accepted

Sequence of semi-standard Young tableaux, counting

answered Aug 31, 2012 at 14:52

6 votes

Symmetric polynoms are Hopf algebra ? What for one needs co-product ?

answered Jan 18, 2012 at 22:51

6 votes

Expressing $-\operatorname{adj}(A)$ as a polynomial in $A$?

answered Nov 7, 2011 at 14:44

6 votes

Reference request: representation theory of the hyperoctahedral group

answered Nov 26, 2011 at 17:41

4 votes

Accepted

Randomized algorithm?

answered Nov 15, 2011 at 10:47

4 votes

Inverting the Weyl Character Formula

answered Nov 22, 2011 at 20:10

4 votes

Accepted

Restriction of characters of hyperoctahedral groups.

answered Nov 25, 2011 at 13:18

4 votes

Magic trick based on deep mathematics

answered Nov 10, 2011 at 8:23

4 votes

Taylor's theorem and the symmetric group

answered Nov 12, 2011 at 12:29

3 votes

How to cover a set in a grid with as few rectangles as possible?

answered Nov 11, 2011 at 11:44

3 votes

bijection between number of partitions of 2n satisfying certain conditions with number of partitions of n

answered Apr 11, 2013 at 13:02

3 votes

Accepted

Constructing the sum of two pairs of symmetric polynomials

answered Nov 30, 2011 at 22:38

2 votes

Algorithm for vector space

answered Aug 29, 2012 at 15:17

2 votes

Accepted

How to draw a Littelmann path?

answered Nov 12, 2011 at 18:00

2 votes

Number of perturbations of the Jordan form

answered Nov 27, 2011 at 16:45

1 vote

Simply connected algebraic groups and reductive subgroups of maximal rank

answered Apr 4, 2013 at 16:40

1 vote

Collecting proofs that finite multiplicative subgroups of fields are cyclic

answered Feb 13, 2023 at 17:43

1 vote

Relative position of flags and the Robinson-Schensted correspondence

answered Nov 3 at 9:57

0 votes

Kernel of $AB$ if $[A,B]=0$ and $AB\neq0$?

answered Sep 20, 2013 at 16:41

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25 Answers

Example for column rank $\neq$ row rank

Has Reifegerste's Theorem on RSK and Knuth relations received a slick proof by now?

Geometric proof of Robinson-Schensted-Knuth correspondence?

Explanation why $x,y,z$ are always variables

quasi-minuscule representations

computing the Weyl character formula

Sequence of semi-standard Young tableaux, counting

Symmetric polynoms are Hopf algebra ? What for one needs co-product ?

Expressing $-\operatorname{adj}(A)$ as a polynomial in $A$?

Reference request: representation theory of the hyperoctahedral group

Randomized algorithm?

Inverting the Weyl Character Formula

Restriction of characters of hyperoctahedral groups.

Magic trick based on deep mathematics

Taylor's theorem and the symmetric group

How to cover a set in a grid with as few rectangles as possible?

bijection between number of partitions of 2n satisfying certain conditions with number of partitions of n

Constructing the sum of two pairs of symmetric polynomials

Algorithm for vector space

How to draw a Littelmann path?

Number of perturbations of the Jordan form

Simply connected algebraic groups and reductive subgroups of maximal rank

Collecting proofs that finite multiplicative subgroups of fields are cyclic

Relative position of flags and the Robinson-Schensted correspondence

Kernel of $AB$ if $[A,B]=0$ and $AB\neq0$?